OpenTechnical

OT-2026-000002588

Publication integrity record

Product handling and packaging system

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000002588) never changes.

Identity and time

Publication numberOT-2026-000002588 · never reused
Internal UUID01a0a67d-933c-7d7b-9077-635a637e9d98 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:14:02.684700Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002588
StatusPUBLIC

Content hashes

Canonical text2155cdcf1a0ff1ad0441c94c6950db6ab0c6fc93d52e12a2ffec41e4fabfda74
Markdownd1acd5e96d8e765d839665e2767b2e3ff8aac611ad29e9a1f34255a7f880786d
PDF
Publication pagefb631d6b8d952bc4fe22550d31290f45bf06200afbed75ce5793bb46a79ee7fd
Manifestc4935666a5d312fdc3f1f053d224baceb9372f60c250ea43fcae135d4b2c3faa

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature08IZRff2XcmqhM+r6KBDX6gDXxDyzrnhKyPc9NeIilxBsEo9Ttde/9h4Jai6/Etqj/DMejORrT/6EEJ/IGqBBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-09-19T16:41:10.618062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002588
observed fb631d6b8d952bc4fe22550d31290f45...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-19T16:41:10.224900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002588/manifest.json
observed c4935666a5d312fdc3f1f053d224bace...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-19T16:41:10.049876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002588/publication.md
observed d1acd5e96d8e765d839665e2767b2e3f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-19T16:41:09.759406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002588/publication.txt
observed 2155cdcf1a0ff1ad0441c94c6950db6a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:30:28.327915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002588
observed fb631d6b8d952bc4fe22550d31290f45...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:28.172786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002588/manifest.json
observed c4935666a5d312fdc3f1f053d224bace...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:28.158258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002588/publication.txt
observed 2155cdcf1a0ff1ad0441c94c6950db6a...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent