OpenTechnical

OT-2026-000083788

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000083788) never changes.

Identity and time

Publication numberOT-2026-000083788 · never reused
Internal UUID01a0ae98-0417-78fb-a34b-44cdf467d2e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083788
StatusPUBLIC

Content hashes

Canonical textf0b01c7c943cdd9b474cdb24a6459b2b9c631547a4b49c2fa8e1e4c857d6f7f4
Markdown9911d0a5bc3d4f936dc58ac85b64906104d2ef87891556e5a118e43ef4578646
PDF
Publication page04b1249b307fa6020073d3ea0c11b8630b0406553bb5c37efae572a02adeb0a2
Manifest891c27c878463f44c1b94acab4aae25e7538091f7fa3b9505356ce15bf6f8908

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
SignatureJWy1f4YuoVRv+zMpc9P6kRNfxSQz2LO+21fj6iq9qbUX+WfUuVvzrnwmaLUER7ieDW/r38a7EbpQkHeTROaqBA==
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

2026-09-17T09:57:26.002816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083788
observed 04b1249b307fa6020073d3ea0c11b863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:25.985599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083788/manifest.json
observed 891c27c878463f44c1b94acab4aae25e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:25.968891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083788/publication.md
observed 9911d0a5bc3d4f936dc58ac85b649061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:25.951677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083788/publication.txt
observed f0b01c7c943cdd9b474cdb24a6459b2b...
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.