OpenTechnical

OT-2026-000048490

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000048490) never changes.

Identity and time

Publication numberOT-2026-000048490 · never reused
Internal UUID01a0ae80-4de5-7e65-9443-7ef18b8045ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048490
StatusPUBLIC

Content hashes

Canonical text627cd60eb37f9cf9904959e48abe6562c5ae7eef23505a404bd544dea6d4d16d
Markdown1310c7438db9187b2af60ecd5ceb58be5736dd133351203a1af18cf6d5aa21f9
PDF
Publication pagef6a76f2c71455738251c06d1a8e81b478431367e415bfdaed36e48a6fc8607cb
Manifest51ef594b296eb31ee738ee67f01ba2dec8110046fbd16353236004c012739eeb

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
SignaturepUpZNULXn3IwvuxusyRsJ7rKu5NQkflGe3rG62HsnX/KaQlO0CAKfunkErQDFA+H7xvdAgPwtQsvFAttllqrAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:05:09.608438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048490
observed f6a76f2c71455738251c06d1a8e81b47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.589985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048490/manifest.json
observed 51ef594b296eb31ee738ee67f01ba2de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.570909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048490/publication.md
observed 1310c7438db9187b2af60ecd5ceb58be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.549732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048490/publication.txt
observed 627cd60eb37f9cf9904959e48abe6562...
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.