OpenTechnical

OT-2026-000071729

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000071729) never changes.

Identity and time

Publication numberOT-2026-000071729 · never reused
Internal UUID01a0ae92-1e91-7923-aa61-c58355d21f0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071729
StatusPUBLIC

Content hashes

Canonical text256fd7183ffc353c803653fb0dada3c5bb74e2b67f9d9cd0b7125f1109d490d3
Markdown8751bc135aef5badd25e85c3fd3c3fea3c312074b3cf4ba768bf28edd03e68c6
PDF
Publication page62826e7b046802a9a426356608cc4df4740e50d4567a2615e063c863e7617fff
Manifest8fc2d8be60bdc47065890f052b1a81c827da3f27308826098fd1a009d3924206

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
SignatureIxOqZIW1K5GS/kMlF5pDstFsZ+oMOvTjOc1gOmTyORyUMdPkBXnFhji6GO/M+fLNOTgVnbJZGynBavRtLkkQDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:53.058487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071729
observed 62826e7b046802a9a426356608cc4df4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:53.040006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071729/manifest.json
observed 8fc2d8be60bdc47065890f052b1a81c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:53.021295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071729/publication.md
observed 8751bc135aef5badd25e85c3fd3c3fea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:53.002974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071729/publication.txt
observed 256fd7183ffc353c803653fb0dada3c5...
fetched by instance-3.rotem.ai from 34.69.0.72, 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

Custody packagePending Custody packages are produced weekly.