OpenTechnical

OT-2026-000002446

Publication integrity record

Pallet Bumper Device

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-2026-000002446) never changes.

Identity and time

Publication numberOT-2026-000002446 · never reused
Internal UUID01a0a67c-be56-7aec-b79b-b7c290883d17 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:13:08.183178Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002446
StatusPUBLIC

Content hashes

Canonical text882b3c2731abea6a4a693a8f0675c1496800f1114408cb4fcc47b53f4c864af9
Markdownd8b0bb6881483424b0ba3a017ccf42d1d546c0be1f3369778e91628c3aa2282a
PDF
Publication page59295a41440ee70a90bb46c39a8e75ec8cf8fb40a90af9baa5aef75917e9856f
Manifest43ff52197b8c7adc7c67afcd30f88b3d3b5e0ebdc995d12768447df846960211

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
Signature0fkoKi7enkw79sFqazs9+LVHX4aTxvgK7pRCVMD92WLCy2af/6t+YPLcm1Zz3MDYpfIDkUvzDtPe6Yjbbsj/Cw==
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

2026-10-23T04:23:43.696537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002446
observed 59295a41440ee70a90bb46c39a8e75ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-23T04:23:43.684333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002446/manifest.json
observed 43ff52197b8c7adc7c67afcd30f88b3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-23T04:23:43.671492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002446/publication.md
observed d8b0bb6881483424b0ba3a017ccf42d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-23T04:23:43.565623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002446/publication.txt
observed 882b3c2731abea6a4a693a8f0675c149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T20:41:51.752202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002446
observed 59295a41440ee70a90bb46c39a8e75ec...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:41:51.033039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002446/manifest.json
observed 43ff52197b8c7adc7c67afcd30f88b3d...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:41:50.526465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002446/publication.txt
observed 882b3c2731abea6a4a693a8f0675c149...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:14.527094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002446
observed 59295a41440ee70a90bb46c39a8e75ec...
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