OpenTechnical

OT-2026-000088269

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000088269) never changes.

Identity and time

Publication numberOT-2026-000088269 · never reused
Internal UUID01a0ae9b-5d26-7b41-a528-0e823db2da32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088269
StatusPUBLIC

Content hashes

Canonical text190037c2b0731cdfc1cf72d03fd90f99113e3aa98678b4c20c1aafeb67f2d167
Markdown9e0b8ac2f1f891fda5c5ec73b66794857a98fa432d1bfb7deb35797ad168598b
PDF
Publication pagea29086a7db89ed21c6c321b964bc48b91105e041ac6272f0cbb84648bbab9464
Manifest32cf14eedefc3caddffd614510ba42d7defec19b11a16665f66ba508bce53bd9

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
SignatureXp1NxXYeOE199w94+rzf8RWHhPEH5EarxyGwHLnFGcua/phEcH4ki2J5vpGZwhqOSPhw5T9rToHsdK5vlcg0Dg==
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

2026-09-17T09:48:34.631915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088269
observed a29086a7db89ed21c6c321b964bc48b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:34.616010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088269/manifest.json
observed 32cf14eedefc3caddffd614510ba42d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:34.597626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088269/publication.md
observed 9e0b8ac2f1f891fda5c5ec73b6679485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:34.578885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088269/publication.txt
observed 190037c2b0731cdfc1cf72d03fd90f99...
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.