OpenTechnical

OT-2026-000064584

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000064584) never changes.

Identity and time

Publication numberOT-2026-000064584 · never reused
Internal UUID01a0ae8d-a462-7025-9950-f6ad73e9ccdc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064584
StatusPUBLIC

Content hashes

Canonical text3b9cc49f21b1eb2fc2fa3d32c88745dde8594a07a45b837cb9acf62d8a129e1c
Markdown6394158ff918de08c8c690a38fce15c3fbddf73a8b34897000affd267852556f
PDF
Publication pagec053a0e2309412ec33f0145a4992328c2f425046f651ee671e8def05e6211e35
Manifestf67ae3eac76db158097d346206d852e06cc4447474d472913da750b2661d0f5d

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
SignatureldAZpk8xLbGntYTzC92hUceBwoUMRRS/C5LksiCB1v0NJyBP2pYTXT2Uepk89iqlg0Hzo0lGjOpnNdDPG1msCA==
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

2026-09-17T10:36:48.975471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064584
observed c053a0e2309412ec33f0145a4992328c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:48.957500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064584/manifest.json
observed f67ae3eac76db158097d346206d852e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:48.938845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064584/publication.md
observed 6394158ff918de08c8c690a38fce15c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:48.920092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064584/publication.txt
observed 3b9cc49f21b1eb2fc2fa3d32c88745dd...
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.