OpenTechnical

OT-2026-000050398

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000050398) never changes.

Identity and time

Publication numberOT-2026-000050398 · never reused
Internal UUID01a0ae82-5c48-7862-8cf9-ce92c3454ea7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050398
StatusPUBLIC

Content hashes

Canonical text020db78afa4f3435c1f7646fd154c39802773b73bbffd6aecd32ee5533f83d9d
Markdownd2b609e099d51a71b7512ebc4bb314534aee6d6790dcf91c1725db6fdbd17db9
PDF
Publication page2f3a8b05dc723b7312b6bbb8e3465481f2074834ad654c7e5ba7fa47591ef238
Manifestda57a0d7ae1041cb541f4f9fa5c24bd25709b3d95a37655210f3253cbce4811a

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
SignatureBKgZO7EgaePGRr7PgV/fFjbzygFip0KJBsZtZPfeYPc6kW5q3wlGjWZau0Hq9LVO0qWG3SQN6KVoBph+bnkfDw==
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

2026-09-17T11:01:26.353664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050398
observed 2f3a8b05dc723b7312b6bbb8e3465481...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.335274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050398/manifest.json
observed da57a0d7ae1041cb541f4f9fa5c24bd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.317682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050398/publication.md
observed d2b609e099d51a71b7512ebc4bb31453...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.300253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050398/publication.txt
observed 020db78afa4f3435c1f7646fd154c398...
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.