OpenTechnical

OT-2026-000009710

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, 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-2026-000009710) never changes.

Identity and time

Publication numberOT-2026-000009710 · never reused
Internal UUID01a0ae6b-7564-7bde-8b1f-229a22235029 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009710
StatusPUBLIC

Content hashes

Canonical textf61205ffa52eee83b8a12e76886f2dac63baeaf6f01f4e19a574f489784ea4c0
Markdown7f087ae75462c6cb508bf8a8221739bd26643b2639bb059bfa2e2a9a934f1110
PDF
Publication page7341d75d24327a2fc14d0bdfaf1a2ce46f9a168ce43739e996f7f8cba57a46f7
Manifestfc8de010f56097605f27f43a3bf1f0c90b991b81b007f0d3fc36ca81d821391a

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
SignatureUA6xcEbKK2y4b2Q+XTql/AzMLMkMhN39ilHWsg6CqOPPfpC08meVfDaCAHQ2Gp6sdQWZ+pypELib1UBxBfoICg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:12.147893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009710
observed 7341d75d24327a2fc14d0bdfaf1a2ce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:12.127564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009710/manifest.json
observed fc8de010f56097605f27f43a3bf1f0c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:12.109758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009710/publication.md
observed 7f087ae75462c6cb508bf8a8221739bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:12.091693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009710/publication.txt
observed f61205ffa52eee83b8a12e76886f2dac...
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.