OpenTechnical

OT-2026-000065285

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000065285) never changes.

Identity and time

Publication numberOT-2026-000065285 · never reused
Internal UUID01a0ae8e-1dfa-7024-8557-003224391cdd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065285
StatusPUBLIC

Content hashes

Canonical textba47f326309f0a8f52cb3eaa27f6f0eced9efb576499f427def1bb4c052613cd
Markdown258dbaec06443be4206aa6ddc1d8e501f781ab0326db608798982e9b96ae129e
PDF
Publication pagefed2000ed7cdb692bd9a880644b03b78f57a31bb0ffa122da2c7fde6611488b2
Manifest4e25789519242d44e833c911347b9f47fe20c04a9aca93490aeb82eb5d11874f

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
Signaturek1UF9iEflmTnmW3krjzBAtxU4IoJQPf1C0w58UPO4co6cSWFkJNWXYpTU56mU31AwjgnOyKALyAS8Z0QGtglDA==
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

2026-09-17T10:35:15.259747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065285
observed fed2000ed7cdb692bd9a880644b03b78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:15.240897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065285/manifest.json
observed 4e25789519242d44e833c911347b9f47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:15.222021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065285/publication.md
observed 258dbaec06443be4206aa6ddc1d8e501...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:15.202179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065285/publication.txt
observed ba47f326309f0a8f52cb3eaa27f6f0ec...
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.