OpenTechnical

OT-2026-000079966

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000079966) never changes.

Identity and time

Publication numberOT-2026-000079966 · never reused
Internal UUID01a0ae96-4377-73e1-a8cb-46a7ef62fccc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079966
StatusPUBLIC

Content hashes

Canonical textfb95727bec6ae9cdaa396cfc80638dad8766cc5c17514f4b9e36bc73fea6b55d
Markdown624eead2df2f1069b2edf677c4a5b3defc3ccb3e8c9380b846a5d2676416d606
PDF
Publication page774d9e7dfe1ddade4c4101a417015f43219e7bce4983f2d8a586e90946b6cd95
Manifest26638bd9a3201055a2761749d9a5a10ce8dc57354b35ba25e015b5877588593f

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
SignatureGpyNpg2VOiHioMeQf1mT9fxeAxXz5HgAdScmObqMRWHLnO9591Ul2XcyhMqB2OzV42WuTIjUsyDCaufnhx1ICA==
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

2026-09-17T10:03:52.690213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079966
observed 774d9e7dfe1ddade4c4101a417015f43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:52.671838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079966/manifest.json
observed 26638bd9a3201055a2761749d9a5a10c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:52.654403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079966/publication.md
observed 624eead2df2f1069b2edf677c4a5b3de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:52.637022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079966/publication.txt
observed fb95727bec6ae9cdaa396cfc80638dad...
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.