OpenTechnical

OT-2026-000076883

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed 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-2026-000076883) never changes.

Identity and time

Publication numberOT-2026-000076883 · never reused
Internal UUID01a0ae94-b070-7918-a980-78e81099bb31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076883
StatusPUBLIC

Content hashes

Canonical texte1fec99feb50a97999588c02d08bf68395fbd6b516365b09e411614a3b39fe47
Markdown8a4604066690a68f16f66ee0870f0850f6b6d5443c9e2408ca17ee1c576e4bd8
PDF
Publication pagecc7f18e8d5a171142f15d0400a12b33e62219f339615f0af10a21b14a0684d0e
Manifest7abcff3d38c7b5525d6ab206f74fb95960944ee3a48c951dc8991a8106ac077b

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
Signatureu2veYF29ifFk+T1d5xgxf8gUHDDKEmjd8XuucDVhXjZDy+h3866JlySvr1WXpwbEq4wQZTjjyhFBm06PNnGqDg==
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

2026-09-17T10:09:47.187959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076883
observed cc7f18e8d5a171142f15d0400a12b33e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:47.170848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076883/manifest.json
observed 7abcff3d38c7b5525d6ab206f74fb959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:47.153082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076883/publication.md
observed 8a4604066690a68f16f66ee0870f0850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:47.133668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076883/publication.txt
observed e1fec99feb50a97999588c02d08bf683...
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.