OpenTechnical

OT-2026-000056123

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000056123) never changes.

Identity and time

Publication numberOT-2026-000056123 · never reused
Internal UUID01a0ae87-0a4b-78cc-8a99-1fa8a098574d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056123
StatusPUBLIC

Content hashes

Canonical text6bef0142dce9a69257574de125bc377b2699a2d555ba1f9ae426f66dc712e2f6
Markdown06e1814e6627df1079d54a6729639cfd306ee6a53086a5fad7b90ecf2445e83b
PDF
Publication page9c1fcedf01dd523e9bb6f95c33a591e2cb7666020ea264dbc1f2936d53725334
Manifestf0083edfb29c99ee798792734154b499e101e14012a86f9b679350a8b8ecdc61

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
SignatureNcRx53DRr80+Xbq2RdkMS3vOaRqgQ/l1nSX70faXMaPKceE696MQb+MoQMvNM0FJfpnWRhF0gIepU3RhmrSDBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:40.125087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056123
observed 9c1fcedf01dd523e9bb6f95c33a591e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:40.106596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056123/manifest.json
observed f0083edfb29c99ee798792734154b499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:40.089607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056123/publication.md
observed 06e1814e6627df1079d54a6729639cfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:40.071595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056123/publication.txt
observed 6bef0142dce9a69257574de125bc377b...
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.