OpenTechnical

OT-2026-000092998

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000092998) never changes.

Identity and time

Publication numberOT-2026-000092998 · never reused
Internal UUID01a0ae9e-090f-794e-a8bd-64a05a301d5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092998
StatusPUBLIC

Content hashes

Canonical textec740a34d16fd31e3a429b26eb0a86dda1303714fdf470b78a833bb95c9b0aab
Markdown89ea4dea27f10bb676535da8b5aa98313a548861bed82bf981bac5fdef8cd9f8
PDF
Publication pageb0bfd587da94619617880f9b8950ce7f581b8fbac49c0f290a9884ee906242e2
Manifestabb35ed23bbaab8d5fbf1397824499a817df09a0d3e5c13e524b7bea6bb02949

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
SignatureJuTazSGyc0UKrazEZqaUmL4x4MlgtV32Cj1nf9cVkD2a/IzW6Nsu5DiKHcm721N3IB3SCaiI4eXiZ6NXRU19CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:40:12.216787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092998
observed b0bfd587da94619617880f9b8950ce7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:12.196519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092998/manifest.json
observed abb35ed23bbaab8d5fbf1397824499a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:12.178094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092998/publication.md
observed 89ea4dea27f10bb676535da8b5aa9831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:12.159559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092998/publication.txt
observed ec740a34d16fd31e3a429b26eb0a86dd...
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.