OpenTechnical

OT-2026-000003488

Publication integrity record

Extended reach materials handling apparatus

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-2026-000003488) never changes.

Identity and time

Publication numberOT-2026-000003488 · never reused
Internal UUID01a0a6c6-c383-705b-ae4a-e1243759b864 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T20:33:59.172189Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003488
StatusPUBLIC

Content hashes

Canonical text549111a1e89e5aeb7aa2005325b8d5756114738d94d708ff6349121510bdcebd
Markdownfca5c2b38c0344c1c614b07a56d73dde4cd98329f3b25fcd3de81e104a872912
PDF
Publication page3b5d81e7ef93fc35b889a0311b4ac4e0110c941ac53f4d584e1b19188ab76f4f
Manifest4d4e72407617d3474d0ab0a7ed249906814a55f111d3256b282c7f5ed04cf8ce

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
SignatureWVCLx61Qtwl6HSV3G6yC3Xw67PdQfgLjrqITx7ht3UkMqRTR+y32jMRnRTLTyfChDiU/BEHF11QfqmCMG+o9Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:36:25Z
batch OT-TS-2026-W38-006 · RFC 3161 token · inclusion proof
root 40fdb380c9f41bd58bb35c455dde2c7d...

Independent retrieval

2026-09-16T12:41:14.934435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003488
observed 3b5d81e7ef93fc35b889a0311b4ac4e0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:41:14.687657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003488/manifest.json
observed 4d4e72407617d3474d0ab0a7ed249906...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:41:14.438611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003488/publication.md
observed fca5c2b38c0344c1c614b07a56d73dde...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:41:14.223133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003488/publication.txt
observed 549111a1e89e5aeb7aa2005325b8d575...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:40:03.768435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003488
observed 3b5d81e7ef93fc35b889a0311b4ac4e0...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:03.737110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003488/manifest.json
observed 4d4e72407617d3474d0ab0a7ed249906...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:03.723917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003488/publication.txt
observed 549111a1e89e5aeb7aa2005325b8d575...
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