OpenTechnical

OT-2026-000079304

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000079304) never changes.

Identity and time

Publication numberOT-2026-000079304 · never reused
Internal UUID01a0ae96-0b90-7a06-a33b-a45a8472f35d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079304
StatusPUBLIC

Content hashes

Canonical text3333de34764bbb595204fad4ff9da7a1f909231489540b90159d1cc4a212719d
Markdown6bd40c7109e13199dca9eb3262ac0113f154bf2c7951ab2b5af1388b8d5733c6
PDF
Publication page50b4cfea97dc7b16d2a0c8c11a06a9405c86d04379726c51fd97f4ecd5b0f6a9
Manifest8ae3fb31bf191cf7df4c3ade3105ccfddab36fdbfbd012febf9bf68fc5cd2a80

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
SignatureGOHF40hAweJ32w6pJPkbJexI3Fucz7s7kaS4wRNXbuVtZQomALTXUccjbn4B/+pTM68wUYQ3Cryl6QCdGyF3AA==
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

2026-09-17T10:04:53.732054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079304
observed 50b4cfea97dc7b16d2a0c8c11a06a940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:53.713492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079304/manifest.json
observed 8ae3fb31bf191cf7df4c3ade3105ccfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:53.693334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079304/publication.md
observed 6bd40c7109e13199dca9eb3262ac0113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:53.647462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079304/publication.txt
observed 3333de34764bbb595204fad4ff9da7a1...
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.