OpenTechnical

OT-2026-000075280

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000075280) never changes.

Identity and time

Publication numberOT-2026-000075280 · never reused
Internal UUID01a0ae93-f200-7569-a75d-1d121c59ae75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075280
StatusPUBLIC

Content hashes

Canonical textde8702a32ac2d6aad7dc6d7a2604173733d7aeed227475626fe96d13b2fbc071
Markdown8ef3f97ddfbf3d65e7dbe3eadbae0a61b4d93f9d42022ad4ccbbad9cf26cb0ef
PDF
Publication pagef88ece62a500105aef9fb65843c090afdb5e7de6f3f6cdbc5682ed7c3e39d53f
Manifest90c24127a60edb6e6f4c4237f1646eb590012cb8e81623a388fd7283f60f79d7

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
SignatureKXGHNKm4Oc3myWMTvvQ5XDL8zxE1haYN2+OQFASDdcPrH6TDCQGlJaqWZ01BoNXv9ioGqbmJsCk66C7+tsJPAQ==
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

2026-09-17T10:20:41.120403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075280
observed f88ece62a500105aef9fb65843c090af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:41.101463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075280/manifest.json
observed 90c24127a60edb6e6f4c4237f1646eb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:41.081845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075280/publication.md
observed 8ef3f97ddfbf3d65e7dbe3eadbae0a61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:41.061358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075280/publication.txt
observed de8702a32ac2d6aad7dc6d7a26041737...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:59.257802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075280
observed f88ece62a500105aef9fb65843c090af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:59.239765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075280/manifest.json
observed 90c24127a60edb6e6f4c4237f1646eb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:59.219189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075280/publication.md
observed 8ef3f97ddfbf3d65e7dbe3eadbae0a61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:59.198561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075280/publication.txt
observed de8702a32ac2d6aad7dc6d7a26041737...
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.