OpenTechnical

OT-2026-000008471

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000008471) never changes.

Identity and time

Publication numberOT-2026-000008471 · never reused
Internal UUID01a0ae6a-e46a-72c7-8c38-d11048d05652 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008471
StatusPUBLIC

Content hashes

Canonical text41eb64df4604597df42eb44349320c05fa99dac6978b01ab4c05d0bd1ab8fdf3
Markdown91cfb82e4a564f6f7268d34ee490cefebc429bfd0522edf445620770e8e8ef93
PDF
Publication page32842e3c26b94882d086631a8bcdecc48451ee0695d80b55a77934a23e63d2d3
Manifestadeb92e375deb40fc54d611e0b403680aadd20bc718a1ae936020f83f1d6c57c

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
Signature30rSskfgbHQCFueYj/zONSUNWSpZZMeCDRj7QucEeU05Z8qzOLq9Kii47jIlZ7rTej44zAaQXQf44rZAc0bbCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:21.775316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008471
observed 32842e3c26b94882d086631a8bcdecc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:21.756278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008471/manifest.json
observed adeb92e375deb40fc54d611e0b403680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:21.735776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008471/publication.md
observed 91cfb82e4a564f6f7268d34ee490cefe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:21.714506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008471/publication.txt
observed 41eb64df4604597df42eb44349320c05...
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.