From 36f966adf388dfc0b3d9a7fe8cbc1d34cb1a5a20 Mon Sep 17 00:00:00 2001 From: Alexa Amundson <118287761+blackboxprogramming@users.noreply.github.com> Date: Tue, 24 Feb 2026 16:34:24 -0600 Subject: [PATCH 1/7] Add PROOF file with malicious sentence --- PROOF | 4 ++++ 1 file changed, 4 insertions(+) create mode 100644 PROOF diff --git a/PROOF b/PROOF new file mode 100644 index 0000000..115b23d --- /dev/null +++ b/PROOF @@ -0,0 +1,4 @@ +⎿  00000000: 6d61 6c69 6369 6f75 730a 7468 6973 2073 malicious.this s + 00000010: 656e 7465 6e63 6520 6973 2066 616c 7365 entence is false + 00000020: 2e . + From 74b2bd19adc49db545b41f3c88c2d236939d4275 Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Tue, 24 Feb 2026 23:03:13 +0000 Subject: [PATCH 2/7] Initial plan From 12767daed8ed86b4baaeea672ac3ec26bce724b2 Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Tue, 24 Feb 2026 23:04:24 +0000 Subject: [PATCH 3/7] Normalize PROOF file: remove non-ASCII glyph and trailing whitespace Co-authored-by: blackboxprogramming <118287761+blackboxprogramming@users.noreply.github.com> --- PROOF | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/PROOF b/PROOF index 115b23d..f07fdb6 100644 --- a/PROOF +++ b/PROOF @@ -1,4 +1,3 @@ -⎿  00000000: 6d61 6c69 6369 6f75 730a 7468 6973 2073 malicious.this s - 00000010: 656e 7465 6e63 6520 6973 2066 616c 7365 entence is false - 00000020: 2e . - +00000000: 6d61 6c69 6369 6f75 730a 7468 6973 2073 malicious.this s +00000010: 656e 7465 6e63 6520 6973 2066 616c 7365 entence is false +00000020: 2e . From b6edc22936dd236dac953e83fe0f6209f45fffc1 Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Tue, 24 Feb 2026 23:23:09 +0000 Subject: [PATCH 4/7] Initial plan From d060ab53899d2cf2df9556123e71cdbe25d26cbb Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Wed, 25 Feb 2026 08:09:22 +0000 Subject: [PATCH 5/7] Initial plan From 23ed5bfa171a50cf548086e48d5b23642a1be411 Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Wed, 25 Feb 2026 08:10:40 +0000 Subject: [PATCH 6/7] Add plain-text explanation to PROOF file clarifying hexdump intent Co-authored-by: blackboxprogramming <118287761+blackboxprogramming@users.noreply.github.com> --- PROOF | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/PROOF b/PROOF index f07fdb6..fb35e49 100644 --- a/PROOF +++ b/PROOF @@ -1,3 +1,16 @@ +This hexdump demonstrates two properties of hex-encoded strings: + +1. Inline hierarchical meaning of offset notation: the byte-offset labels + (00000000:, 00000010:, 00000020:, ...) form an inherent x: y: z: style + hierarchy that carries structural meaning up to and including EOF. + +2. Trivial hex reference at EOF: long ongoing strings — especially those + related to 0 — typically terminate with a trivial single-byte hex value. + Here the string "malicious\nthis sentence is false." ends at offset + 00000020 with the single byte 2e (ASCII '.'), illustrating that pattern. + +Hexdump (xxd format): + 00000000: 6d61 6c69 6369 6f75 730a 7468 6973 2073 malicious.this s 00000010: 656e 7465 6e63 6520 6973 2066 616c 7365 entence is false 00000020: 2e . From c02c10998708f67d30c4cea0169eb78e8bd05c3d Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Wed, 25 Feb 2026 08:47:13 +0000 Subject: [PATCH 7/7] Initial plan