OpenTechnical

OT-2026-000064461

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented after set-down

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-2026-000064461) never changes.

Identity and time

Publication numberOT-2026-000064461 · never reused
Internal UUID01a0ae8d-a461-7132-b948-7597813c567e · 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-2026-000064461
StatusPUBLIC

Content hashes

Canonical text34b6bc888de10193a9a1c9a74447bedc3ca791e0e113f7cecc202005c68851b4
Markdown5306d9cec1ebdc22a743be39191f3b2a7a35ba982636d39d55287efc47881235
PDF
Publication page3423622f4aba3db1df04a64792f2f076827493b5c1f4867a039955cda561535b
Manifest2c6ea1b64f4a13a1d8a26565b7a6b06ecc4d0c5bed97db056555b31ac9e0bcf1

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
SignatureqBumcp9nMajUfo3wwh4o5TszgYxyXxkcBCbo7md10M3B5oH7PO6zVAYhUlLhSMTCWIM2x5hS/lz2guLjAbodBA==
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

2026-09-17T10:36:39.086410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064461
observed 3423622f4aba3db1df04a64792f2f076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.069621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064461/manifest.json
observed 2c6ea1b64f4a13a1d8a26565b7a6b06e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.048937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064461/publication.md
observed 5306d9cec1ebdc22a743be39191f3b2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.028023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064461/publication.txt
observed 34b6bc888de10193a9a1c9a74447bedc...
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.