OpenTechnical

OT-2026-000013282

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000013282) never changes.

Identity and time

Publication numberOT-2026-000013282 · never reused
Internal UUID01a0ae6d-6fc9-7db3-88b9-2aa92b5c52f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013282
StatusPUBLIC

Content hashes

Canonical text5acae6d550f6ccebba020e34a82987fc2fc695d3b53315fdae9718fd2aff9bcb
Markdowna750735bd6843f2e252e910bf53f102f55231c3e37d6dc9e3e48545ebe718c0a
PDF
Publication pagec260f0dd5d96ef03cd28753eeb33c8f840d04b1808f4dff4fa2d533e09f759f0
Manifest2b162d8502231e4986c4c3fbf93b362357e850de2028cfdd03629d90bcb75c3b

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
Signature/8fffJG5KoHssxZKT1sHFu5xD4RGyXwacqbnLe+Y3CrkAqET+6YiJZ7Z811n5BLlAuYukEgfzJe87G4ZALNRAg==
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

2026-09-17T12:09:42.101558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013282
observed c260f0dd5d96ef03cd28753eeb33c8f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:42.080846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013282/manifest.json
observed 2b162d8502231e4986c4c3fbf93b3623...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:42.058056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013282/publication.md
observed a750735bd6843f2e252e910bf53f102f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:42.032118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013282/publication.txt
observed 5acae6d550f6ccebba020e34a82987fc...
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.