OpenTechnical

OT-2026-000044008

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000044008) never changes.

Identity and time

Publication numberOT-2026-000044008 · never reused
Internal UUID01a0ae7b-d679-7ba1-9b1d-4748ed9fc504 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044008
StatusPUBLIC

Content hashes

Canonical textc6988b47b78ab46e3fe8ab5ec297345faf3f61b6225615b206d9095b89147553
Markdowndaa74093f7b9536ca59890cc76dd5f8eed19b750b609e1193e243132ee324490
PDF
Publication page34f8d6ee061093e2d707bfbda2ab57e9a9665a121c7b45e8a529054da0f8073e
Manifest678abf861832c5615ec313add183e5c4a7033630dd4a8072dbfceae2bf3ca683

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
SignatureEoreplSZ6dTgxpAyVqHqAI/c6sNLekaRm3A22dcU7bQQijKk1a/lRaKkcyowxMbTxjjhdASkLMnMDRVh5zTKDA==
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

2026-09-17T11:12:23.174417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044008
observed 34f8d6ee061093e2d707bfbda2ab57e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:23.157467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044008/manifest.json
observed 678abf861832c5615ec313add183e5c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:23.139510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044008/publication.md
observed daa74093f7b9536ca59890cc76dd5f8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:23.121497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044008/publication.txt
observed c6988b47b78ab46e3fe8ab5ec297345f...
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.