OpenTechnical

OT-2026-000073465

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000073465) never changes.

Identity and time

Publication numberOT-2026-000073465 · never reused
Internal UUID01a0ae92-efb8-79ae-a748-257557d2ee98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073465
StatusPUBLIC

Content hashes

Canonical text8c91b48ce57f5ec5c97f3dabf13808277aa34895a356d4f8f051da435ecf21ac
Markdown7f383f224256da6aeea2287403de44b6330d6eb773d7d86d1f58f6a38eeeef7d
PDF
Publication page850734b0c7c1f43314b6323bd12df386a3c97c5a80512a011e0e3bcbc14a057d
Manifesta68fc599414fd902d7b7f3a23459b2c9fd324dbd07aa1d6f529f54277cf02054

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
SignatureEvb+IovGlK7TK70vccf2Fjr0C7cQ7douLF/4O9jfLQHGIcukgtecTWLwdilIU1jcsX+I6D6fGdgjeU7TK7J9DA==
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

2026-09-17T10:21:37.894831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073465
observed 850734b0c7c1f43314b6323bd12df386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:37.876855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073465/manifest.json
observed a68fc599414fd902d7b7f3a23459b2c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:37.857712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073465/publication.md
observed 7f383f224256da6aeea2287403de44b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:37.839862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073465/publication.txt
observed 8c91b48ce57f5ec5c97f3dabf1380827...
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.