OpenTechnical

OT-2026-000077037

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000077037) never changes.

Identity and time

Publication numberOT-2026-000077037 · never reused
Internal UUID01a0ae94-b071-7bd2-94b1-2a0dc350977f · 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-2026-000077037
StatusPUBLIC

Content hashes

Canonical text8076c6c6d2b8ee480740322903815e78c5ae8db787d44abacbecffdc0f51379a
Markdown2797bb12d68cd8bcb38575b93a25ceb5eb28e30776389d1c0f04530c23e14934
PDF
Publication page353327061c99974acc083dada66ebeb6bead612eec1a5962b4238aef4d225533
Manifestd094006a397130491e307c75ff7364e39511b53784704fba69c87354f25ade40

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
SignatureNEYzZMb6X9//OJc610ZhBo9sNeC1o/hFxSo4eUSWfqqt3EbbludhTHRdEwD3r0mo8Hqj/ZUDPIC/kR3INH80AA==
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

2026-09-17T10:10:27.799373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077037
observed 353327061c99974acc083dada66ebeb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:27.780211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077037/manifest.json
observed d094006a397130491e307c75ff7364e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:27.762509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077037/publication.md
observed 2797bb12d68cd8bcb38575b93a25ceb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:27.744478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077037/publication.txt
observed 8076c6c6d2b8ee480740322903815e78...
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.