OpenTechnical

OT-2026-000072696

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented before 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-2026-000072696) never changes.

Identity and time

Publication numberOT-2026-000072696 · never reused
Internal UUID01a0ae92-89d9-72d4-a889-4e5a2fff7ba3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072696
StatusPUBLIC

Content hashes

Canonical text97d3c3dab47b276f81a690f44b8983662e838ddcb35d1e5827239b1e11c54bd0
Markdown8a44742421bf58f2ce4d56cb9de7ffd8a90c69888c94e3f2f0975ccae41bf526
PDF
Publication pagee0201fbfac89f62fc641241ee4cb3f7bbfc23cfca3892697acaf2a17c7d3a76b
Manifest7bcb1d22e65991d3cff480054df7d0b9224ef79f11958bdc5603595c409f2b56

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
Signature9i3xgIDwG2CS4tE1VBS0lxkp60XKHZOgYXtAde47GfWFpQ9I1+mjoqYcNla9qqUI7NLTNpxjO/Uq8oK3Uo4SBw==
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

2026-09-17T10:22:35.271773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072696
observed e0201fbfac89f62fc641241ee4cb3f7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:35.255150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072696/manifest.json
observed 7bcb1d22e65991d3cff480054df7d0b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:35.238325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072696/publication.md
observed 8a44742421bf58f2ce4d56cb9de7ffd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:35.219907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072696/publication.txt
observed 97d3c3dab47b276f81a690f44b898366...
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.