OpenTechnical

OT-2026-000057389

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000057389) never changes.

Identity and time

Publication numberOT-2026-000057389 · never reused
Internal UUID01a0ae87-d5bd-7c51-a769-53926ff85d53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057389
StatusPUBLIC

Content hashes

Canonical texta44bd1652cc5dacc91a087d418890a04ada46373a3c75fa188e1d78149189253
Markdownfb2bbdcad1f4c5b0db4422ea01068410862ac1d102dc7e7be628d7a758042e84
PDF
Publication pagefb2caa3ed803523719f5c1b694cee8df788b54628c376f3dd950876a59b64305
Manifest0cf99055300d8e5e2be61536f178d5be18e7fefb0ff7005ede33dda3c71c524c

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
Signatureozp1/aLEAe0iSNOINQ3wlyPaCRfIO8h/+47P53VUeqoNSstCjS4GACEHaVYgqVo64F+D5erCLjK+cXyJcUieCg==
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

2026-09-17T10:50:31.314322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057389
observed fb2caa3ed803523719f5c1b694cee8df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:31.292797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057389/manifest.json
observed 0cf99055300d8e5e2be61536f178d5be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:31.271465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057389/publication.md
observed fb2bbdcad1f4c5b0db4422ea01068410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:31.239743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057389/publication.txt
observed a44bd1652cc5dacc91a087d418890a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.401737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057389
observed fb2caa3ed803523719f5c1b694cee8df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.385786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057389/manifest.json
observed 0cf99055300d8e5e2be61536f178d5be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.369305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057389/publication.md
observed fb2bbdcad1f4c5b0db4422ea01068410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.354023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057389/publication.txt
observed a44bd1652cc5dacc91a087d418890a04...
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.