OpenTechnical

OT-2026-000031410

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, pulsed blow-off 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-2026-000031410) never changes.

Identity and time

Publication numberOT-2026-000031410 · never reused
Internal UUID01a0ae74-87ad-7e8b-8565-d70b39c87ae4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031410
StatusPUBLIC

Content hashes

Canonical text098943d317ebea1bb57e8abd790623ef43c18e2d2d3a0f99a095e34869e82490
Markdownd422bcf6e9c2b5605bfc50b4d69f2b60b37abce80cfb3a87570e4de21ce9b45e
PDF
Publication pagefe21d8ddc7f35d64749062271feee94bf4a5863f5bb1a1956d7eee0ad3fc3de6
Manifest410cc17333d02064d05a6e73606cface3d5135a48a09dd6d73ec804700a39749

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
SignaturerCtKnxLURcix078Q5h/UjNDSfFQcwuomMwiUMYYdxDqUdvI5KtASU/lgsQHupwpwsO2w8SnPS822Vs4iCPOmAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:07.518285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031410
observed fe21d8ddc7f35d64749062271feee94b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:07.501162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031410/manifest.json
observed 410cc17333d02064d05a6e73606cface...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:07.482806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031410/publication.md
observed d422bcf6e9c2b5605bfc50b4d69f2b60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:07.465585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031410/publication.txt
observed 098943d317ebea1bb57e8abd790623ef...
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.