OpenTechnical

OT-2026-000103351

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000103351) never changes.

Identity and time

Publication numberOT-2026-000103351 · never reused
Internal UUID01a0aea4-e45f-7188-8c62-65a0c044bffc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103351
StatusPUBLIC

Content hashes

Canonical text7373868445760ad14487f990bce1bb08c4b05ed61baf2cd19d17c7980fc267c7
Markdown50b9ff8a12b24135503a77667e9f5a99e0c1c03f321c1e4a310fb8ee197c19f0
PDF
Publication page0f99fca0b9231edcef85ec1d53184a3c03774bea1e780edb4775b49573ed8e96
Manifest5ecaa5a54c3850357b9c1ba046c95922abbff7448280346968617524da9204d8

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
SignatureOoQkNMxE3PqO2wA7+0NPtiv8oNEYJcy2trP7cYIa4NJ3REHOU2jpXEY5Zp/Z4l8qSWVIlUHU3rb9Il0wc0NWCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:04.981682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103351
observed 0f99fca0b9231edcef85ec1d53184a3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:04.965284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103351/manifest.json
observed 5ecaa5a54c3850357b9c1ba046c95922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:04.949493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103351/publication.md
observed 50b9ff8a12b24135503a77667e9f5a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:04.931021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103351/publication.txt
observed 7373868445760ad14487f990bce1bb08...
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.