OpenTechnical

OT-2026-000056039

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000056039) never changes.

Identity and time

Publication numberOT-2026-000056039 · never reused
Internal UUID01a0ae87-0a4b-7c05-a097-91d2c29a42a8 · 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-2026-000056039
StatusPUBLIC

Content hashes

Canonical text4b8bf7a3679032aa0e4907a03d7b6c9ef54a01d8548aaeea30d8bde02228dd78
Markdowna309931306c5a6eb0c48a10d025783bbe32ff2d469c06ad49f9d4ff4c11266f6
PDF
Publication page469cbe67d6f2bc9edaeaa0471b1d2d047dfd35653b64f26c9d368ef96fb10ac2
Manifest04276b2f2f2c428425d262bd08cdefcdaadb9451b04afd279bb7c7d803c899f8

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
SignatureTqGUtdkLJM9BqCue/Oabq1P+a8ccPp80Rzw2Q6dNzTcKlY/v46X3zougoX19DREA3D1BWd1JAfptS5UJzKpTCA==
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

2026-09-17T10:51:34.213833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056039
observed 469cbe67d6f2bc9edaeaa0471b1d2d04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:34.194852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056039/manifest.json
observed 04276b2f2f2c428425d262bd08cdefcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:34.177012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056039/publication.md
observed a309931306c5a6eb0c48a10d025783bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:34.159175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056039/publication.txt
observed 4b8bf7a3679032aa0e4907a03d7b6c9e...
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.