OpenTechnical

OT-2026-000020630

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000020630) never changes.

Identity and time

Publication numberOT-2026-000020630 · never reused
Internal UUID01a0ae6f-65e1-74cf-8b76-8222bf16909a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020630
StatusPUBLIC

Content hashes

Canonical text6419187bebacd1267fe0b50c2d81c2b6380f4e34caa89eabae726107e3b3d4e0
Markdownfa3689696a746ca8295f45369889f7fd61b6997a2bdff3788a074e3f3fe3af70
PDF
Publication page02cb58e3a4900c38f6bac9083b8d807ea403af42ca652fe51c1e51158deaadd4
Manifest706b5388ad5b2cfcf87016320c93bc627327d7f3992b3f2db2935ca81581dc62

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
Signatureq159aZmDCmGa9MrAFG57XqZADdKe7KQAw1JOtdBvkE2JQBhZBxhvjc/6LdMxzjLxcsPxtMcpZQ96l1JSiO5UDA==
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

2026-09-17T11:55:34.659590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020630
observed 02cb58e3a4900c38f6bac9083b8d807e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:34.642486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020630/manifest.json
observed 706b5388ad5b2cfcf87016320c93bc62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:34.624146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020630/publication.md
observed fa3689696a746ca8295f45369889f7fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:34.606756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020630/publication.txt
observed 6419187bebacd1267fe0b50c2d81c2b6...
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.