OpenTechnical

OT-2026-000073158

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000073158) never changes.

Identity and time

Publication numberOT-2026-000073158 · never reused
Internal UUID01a0ae92-efb6-7a5f-a597-ae2d00890e87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073158
StatusPUBLIC

Content hashes

Canonical text42da8d022e50d54a43f185fab91089bef5c8cfcdeafa0d988be79bb0f98c3824
Markdown6569b15821ab762b20786587a47cd8669e43292f95c76c579027878555ebdc06
PDF
Publication pagedacac3e99a4d8fa63cff8941058de72c86d34bb61ab0eaa6c0e341aa8796084b
Manifestafaa0a39ab62cb8509ce4e22837bdf9e84f1acf2cbc1b38f4853772764b5712f

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
SignatureXuqdedQVkvzcKnVRWz7fYva3NRUo2bEkA2ksIPCJHdU7xYtD2bLZp2H0CVwwWvv2yMuPtqIlW5NmpWl3VSnHDw==
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

2026-09-17T10:21:06.031394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073158
observed dacac3e99a4d8fa63cff8941058de72c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:06.012002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073158/manifest.json
observed afaa0a39ab62cb8509ce4e22837bdf9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:05.994014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073158/publication.md
observed 6569b15821ab762b20786587a47cd866...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:05.975038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073158/publication.txt
observed 42da8d022e50d54a43f185fab91089be...
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.