OpenTechnical

OT-2026-000016528

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum 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-2026-000016528) never changes.

Identity and time

Publication numberOT-2026-000016528 · never reused
Internal UUID01a0ae6e-2d13-7a60-b8c9-18f13e3e2d2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016528
StatusPUBLIC

Content hashes

Canonical textf9a23eec2f410ad8bf232cdba78c8a3ee0f778ebcd47c633d777299850d7ed9f
Markdowncc7f40e4316023b956d2bec69157cc62f291f7c0394fe9705131f61597ccf391
PDF
Publication pageb82ca6bf8fed53bf7466f1714fce9a75f74b37a3da4d698649126642681d7cdd
Manifest1e6c9bbf7be3f0bbf81fdd4543d12a36c4b6b62368f440e6228c256b71552f9a

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
SignaturedqoXiQoaazOBkbQ38x5Sv3eGYAoaS1IzBAlEjG/UaVTPc6LZH0oxPkmceGs3rvWHkzCi3NbPGqe5FGp/BbOZDA==
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

2026-09-17T12:04:44.735232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016528
observed b82ca6bf8fed53bf7466f1714fce9a75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:44.716296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016528/manifest.json
observed 1e6c9bbf7be3f0bbf81fdd4543d12a36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:44.700484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016528/publication.md
observed cc7f40e4316023b956d2bec69157cc62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:44.683804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016528/publication.txt
observed f9a23eec2f410ad8bf232cdba78c8a3e...
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.