OpenTechnical

OT-2026-000071031

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, pulsed 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-2026-000071031) never changes.

Identity and time

Publication numberOT-2026-000071031 · never reused
Internal UUID01a0ae91-8c2e-7b8b-802d-d8bcae59ce6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071031
StatusPUBLIC

Content hashes

Canonical text5605b3fce4e24872f6856eb219aedfb2c94c98e65723097dd93687ab09090b26
Markdown35bcc76673633c0e4c59fcf729c07c0c3e8fc6b1f509fef3b65cf9e8935d72ec
PDF
Publication pagee772a97f1a9fed708192bc6f6810e64044358f0c9864ce013bbe9ef3dbb38a58
Manifest738915fe9eaf28c18805487f2cd156d7a389870b1db6424e7489cf03f96b1d49

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
Signature/LuGufk9gO/Jo2TOWOSPsQNENIqFoeSY/UxmFrZFdQP+Y4pD2gi2YsgSPUme/PXNbTuoNyqW5ZmIMg4+Sj2DAw==
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

2026-09-17T10:25:53.159867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071031
observed e772a97f1a9fed708192bc6f6810e640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:53.142109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071031/manifest.json
observed 738915fe9eaf28c18805487f2cd156d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:53.124505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071031/publication.md
observed 35bcc76673633c0e4c59fcf729c07c0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:53.108195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071031/publication.txt
observed 5605b3fce4e24872f6856eb219aedfb2...
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.