OpenTechnical

OT-2026-000015091

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down

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-2026-000015091) never changes.

Identity and time

Publication numberOT-2026-000015091 · never reused
Internal UUID01a0ae6d-d097-788c-b588-12483d627933 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015091
StatusPUBLIC

Content hashes

Canonical text66f0ff0026319b6e1c4898eb6cb0ddda843156e0be3433f20e1ab461f97e42f6
Markdownfce820d3c7be28c54ff1d948ad7d446127f4aab3b829ef24cf11be14d714e53d
PDF
Publication page14e89efd0aed879284513e96b024e90c7a3cc28564e316bca13408e20c9da912
Manifest70e88c337d23fcf124d2d5788bbc8f2def7cd2ba2bb1db4d3af3dd5b5e8f033a

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
SignatureKLruS+OUP/y8cM/PunQZ8K336+2axUTbH5XiKbJmvKr4ldAj4Vz+b7BHnFZrl1FduFIlMZbwB1vDApM6U+liAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:07:08.757549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015091
observed 14e89efd0aed879284513e96b024e90c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:08.741017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015091/manifest.json
observed 70e88c337d23fcf124d2d5788bbc8f2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:08.721810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015091/publication.md
observed fce820d3c7be28c54ff1d948ad7d4461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:08.704201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015091/publication.txt
observed 66f0ff0026319b6e1c4898eb6cb0ddda...
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.