OpenTechnical

OT-2026-000075644

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000075644) never changes.

Identity and time

Publication numberOT-2026-000075644 · never reused
Internal UUID01a0ae94-29fd-7f9e-b5fa-b06d60cb197a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075644
StatusPUBLIC

Content hashes

Canonical text8142bc637865c330bacf6e0a755740adf716f727b84e081f015b4796d7841d51
Markdownaefe91b9dbf7afd1a847acf0d775fb7ecd4ba1035a3eb494cbbb16982e04bfac
PDF
Publication pageb644eec73f5cfad16b2f25c041cc49bb879aa8e93ee02625ed63009d176c16e6
Manifest374782b275c06936e4b0fa0eb2cc0882475920168bc2b0b8649d56ab472d385f

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
SignatureCP+OxE8H0WrqHGjORfKwvTw6KlcJrU+GeDVdLc+4sdnqt4arIStlA5gSjG0uKCsQCtrgvKGJRf2dnCvz3hSWBA==
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

2026-09-17T10:13:38.487903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075644
observed b644eec73f5cfad16b2f25c041cc49bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:38.315844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075644/manifest.json
observed 374782b275c06936e4b0fa0eb2cc0882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:38.226387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075644/publication.md
observed aefe91b9dbf7afd1a847acf0d775fb7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:38.049621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075644/publication.txt
observed 8142bc637865c330bacf6e0a755740ad...
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.