OpenTechnical

OT-2026-000073318

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000073318) never changes.

Identity and time

Publication numberOT-2026-000073318 · never reused
Internal UUID01a0ae92-efb7-77de-8ac5-8540088b23ed · 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-2026-000073318
StatusPUBLIC

Content hashes

Canonical text155a3972d9ad42daa30dd939ecf797f7f967dc23b351dce2191b6249bb4bf092
Markdownccf34ede9bcaa33f56236c853b98066390c5fa5744c83ce4fabfb73d77db677b
PDF
Publication page54531473ee6eb6ce11c0ade2a601226688a1cda4928124779263fe52d884c817
Manifest4e03896460cda8af0b3a07966663702cdba715a046b44ec99d9a67a664886fe9

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
SignaturecFwVtJnUsR02tKLFyY/Conv0bT1eut/sEcBdOQHdS4G6Lue9W0vqiHhXsgzLf652nejSe9DMrNdmBwEsPfhABw==
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

2026-09-17T10:21:19.914524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073318
observed 54531473ee6eb6ce11c0ade2a6012266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.897016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073318/manifest.json
observed 4e03896460cda8af0b3a07966663702c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.877661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073318/publication.md
observed ccf34ede9bcaa33f56236c853b980663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.859131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073318/publication.txt
observed 155a3972d9ad42daa30dd939ecf797f7...
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.