OpenTechnical

OT-2026-000056381

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000056381) never changes.

Identity and time

Publication numberOT-2026-000056381 · never reused
Internal UUID01a0ae87-4bd2-7fa0-9c7d-a247f492e63c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056381
StatusPUBLIC

Content hashes

Canonical text37808b309fd4900b72be729d23644e813d2ad130d816773f52bdb058278c8a43
Markdown4c5e7e6b74347e360b35184f713b545450c19f7e881c7bccc75ed2a391545783
PDF
Publication page9c81e1b25921824a745bb9b965ccce551a66571283830016c0fdd462d9de4fc1
Manifestbaa455b5fb2f9c71e88b01b2b0aa9522dbd400b5ed2d38774e343f23398315ae

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
SignatureuF5mnR/BySFHy8j7wN+r5a/dMgHsT1rRqC8fRC05xI/Gg39yMAnxLD+i00UL2lXP7PkjurnkBqtQ6jf45/ipDA==
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

2026-09-17T10:50:54.164827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056381
observed 9c81e1b25921824a745bb9b965ccce55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:54.145700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056381/manifest.json
observed baa455b5fb2f9c71e88b01b2b0aa9522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:54.126960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056381/publication.md
observed 4c5e7e6b74347e360b35184f713b5454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:54.107436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056381/publication.txt
observed 37808b309fd4900b72be729d23644e81...
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.