OpenTechnical

OT-2026-000070409

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000070409) never changes.

Identity and time

Publication numberOT-2026-000070409 · never reused
Internal UUID01a0ae91-545f-77bc-bf67-f946355a995a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070409
StatusPUBLIC

Content hashes

Canonical text1bd486fdd105e74dcf498a938e25c8d29b3fc17c7043e7d539058f611c4ce893
Markdowna41b85d43ee9ede174f98a941aff976ade263d08bf67433d1cc2bb0b8476df91
PDF
Publication pagede6c28d73d1964ab5f22e9f5062570b945a69ef24f09d63dfd5d4dd149e9bdc3
Manifestec86b322d17b8198f97744cc21056dd3da5eb4f672ae20681bd70052cfa4cf0b

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
SignatureOjo4K5E2EbgwIgbvWXdAXk2HS3Co+qv5IGyXCDQw5ZekkabBelTaqG/Tv/UEbso8Z3Aj35sWEvudBng++1oSCA==
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

2026-09-17T10:26:13.112088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070409
observed de6c28d73d1964ab5f22e9f5062570b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.093968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070409/manifest.json
observed ec86b322d17b8198f97744cc21056dd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.076520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070409/publication.md
observed a41b85d43ee9ede174f98a941aff976a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.059143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070409/publication.txt
observed 1bd486fdd105e74dcf498a938e25c8d2...
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.