OpenTechnical

OT-2026-000090095

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000090095) never changes.

Identity and time

Publication numberOT-2026-000090095 · never reused
Internal UUID01a0ae9c-428e-77d3-bc0c-33c34d5fc8b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090095
StatusPUBLIC

Content hashes

Canonical texte74b174e8971cefa6441b00e0e0119670df695b0fb80434c4b323dd1baf425ac
Markdown9fd22ce1e5a95c0331ca832e3b83f06e367fed053e82d91aa72d1ade88db572d
PDF
Publication page5d9e6e8dca367b6fb16e30dd08a8038f341330a6411115caf266e4632cb9e462
Manifest33af21c7295a25c460065c1f2cbcfd255bafe1d8649b519c3271061f568e16e8

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
SignatureD1TjSE3aP5TbEnuGzzSLuP6QiJyvf3cfo72biT4Upbt9EIk8fyScw8KqUVA1QYJoXzPMGraOLS6pWWRh+t8XAQ==
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

2026-09-17T09:45:31.051827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090095
observed 5d9e6e8dca367b6fb16e30dd08a8038f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:31.032330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090095/manifest.json
observed 33af21c7295a25c460065c1f2cbcfd25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:31.015230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090095/publication.md
observed 9fd22ce1e5a95c0331ca832e3b83f06e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:30.996970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090095/publication.txt
observed e74b174e8971cefa6441b00e0e011967...
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.