OpenTechnical

OT-2026-000075666

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000075666) never changes.

Identity and time

Publication numberOT-2026-000075666 · never reused
Internal UUID01a0ae94-29fd-7410-a724-2f611e708613 · 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-2026-000075666
StatusPUBLIC

Content hashes

Canonical text75d58e25852f702b8ccf61f6872b85cf019c81110da9688c9e6131d71a8e1848
Markdown6defac64b1f74979e7e9a44589c83bff2ceeb64533cae01ba5f90af6573ffd3b
PDF
Publication pagec092e33c4ac199e67a87b2fa639a96e3a130f718a164e476eeb810168b1f4831
Manifest243bb78ee044071dd61c0cd90f5d417647804e2a6287e8472a8f25d00c14250b

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
SignatureNLwXBfAYfY5IiBxgN/It6nxAqEKP231gBAiR34zeZb+cx7rtmcCuNxe+wxV+4dLj52lMWM3voDi9b2hk0miJBw==
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

2026-09-17T10:13:46.224853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075666
observed c092e33c4ac199e67a87b2fa639a96e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:46.205490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075666/manifest.json
observed 243bb78ee044071dd61c0cd90f5d4176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:46.063973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075666/publication.md
observed 6defac64b1f74979e7e9a44589c83bff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:46.045886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075666/publication.txt
observed 75d58e25852f702b8ccf61f6872b85cf...
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.