OpenTechnical

OT-2026-000042565

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000042565) never changes.

Identity and time

Publication numberOT-2026-000042565 · never reused
Internal UUID01a0ae7a-c0cd-75c1-8f0c-b74165c3f1bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042565
StatusPUBLIC

Content hashes

Canonical text8b6aed6951cf25b51fb5f2c568a3ad79aece6a15948a8801775f59024a23a724
Markdownb3d9e268af0b274320a447cd6d1bcdc964f0ccd7a428980ba1dfe66576fae79c
PDF
Publication page3119d32665c1cafe8b865afac72706413656e813604144d5b233490d9bb4e33b
Manifest248de7f6b8bf046c31b2c5311a7d2c2e124c49d9869230cb7a67d03f8b22109f

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
SignatureCWxdHkL+5eNprGt+t2kY3CrDHv+D2fT56R+c7HdWpZpYtvzfqv9esnFlBLqDmz+zGATBD3zjGREfDALU96sPDw==
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

2026-09-17T11:14:16.610178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042565
observed 3119d32665c1cafe8b865afac7270641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:16.591903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042565/manifest.json
observed 248de7f6b8bf046c31b2c5311a7d2c2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:16.572479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042565/publication.md
observed b3d9e268af0b274320a447cd6d1bcdc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:16.553703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042565/publication.txt
observed 8b6aed6951cf25b51fb5f2c568a3ad79...
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.