OpenTechnical

OT-2026-000030594

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000030594) never changes.

Identity and time

Publication numberOT-2026-000030594 · never reused
Internal UUID01a0ae73-e505-73a4-b46a-e610f0f63f3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030594
StatusPUBLIC

Content hashes

Canonical textf54a2d7b72a588ffb352a4447de73221463e8aa17ba75cf1cb63306c0032752a
Markdowncd597aa6561d5d9db34d61a95f86a95678b4b1bc388cd784f4813fc5325d09a7
PDF
Publication pageb59a40d837bac2c3e4e1f8504f9787b9a083ddda73d870724dfc13002e42d39d
Manifest6c5e9572691392f76289c2b6aba69a726c8e26272e8fc86796cd0f65eb105a31

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
Signature5tLm4vCqFHCHjN64tfL+Dk50b9V39tCKdqiD3vUXqatwmDFcwty2hwwbCovxM2L30P0AIbT6Ln/jikxO/EgGDg==
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

2026-09-17T11:38:28.340040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030594
observed b59a40d837bac2c3e4e1f8504f9787b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:28.322832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030594/manifest.json
observed 6c5e9572691392f76289c2b6aba69a72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:28.304002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030594/publication.md
observed cd597aa6561d5d9db34d61a95f86a956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:28.287013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030594/publication.txt
observed f54a2d7b72a588ffb352a4447de73221...
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.