OpenTechnical

OT-2026-000030501

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000030501) never changes.

Identity and time

Publication numberOT-2026-000030501 · never reused
Internal UUID01a0ae73-e504-77d5-8a35-9f7a80cb572f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030501
StatusPUBLIC

Content hashes

Canonical text835dcff4d19f8eb3568aa9750eea94c45a0014d03d57890467a319839b743474
Markdown5f497c51dd7f82a39d7787908d4d2b5e2c29b5c181ec4a96327cca05dd5b84e8
PDF
Publication pagea29073d6430c39c867e4950fcce2953cc4718862a72b370f71a24183c272780d
Manifest0c3b9b038f48305f86486ef9d91c36e3c5e68555bc65fe378842734b0a5c82bd

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
SignaturebevduIxbvzWfuKu+GknNDeKsUuCpd79v+mF1lVGRnh8FU43ne91e9BVJcy4qdXVQC6NeYxxdzo5sUL30r3sgCQ==
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

2026-09-17T11:38:21.408817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030501
observed a29073d6430c39c867e4950fcce2953c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.388598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030501/manifest.json
observed 0c3b9b038f48305f86486ef9d91c36e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.371406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030501/publication.md
observed 5f497c51dd7f82a39d7787908d4d2b5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.353934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030501/publication.txt
observed 835dcff4d19f8eb3568aa9750eea94c4...
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.