OpenTechnical

OT-2026-000012896

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000012896) never changes.

Identity and time

Publication numberOT-2026-000012896 · never reused
Internal UUID01a0ae6d-5563-74ac-a67d-62a3ab9f75ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012896
StatusPUBLIC

Content hashes

Canonical text0cff085f7a389e4c67eb3fe86671d26dca0ecc8a2c1ab981a9a7d62c6373626a
Markdown0ee07be3893348976810e024e007fe1051a9c3ad2fd9c635efbb7483ff84c2c0
PDF
Publication page34a99a4529e17cd23d00776bdcc53181ffcae9abb6655ff04ae81c43bf6ac702
Manifest50abffd36a6bb24fc1dfe43a04d3b25c35a14940aabfd0c6431a9a1023c833e3

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
Signature+dBjkC9fVq/jwFO3oB8Pd005HTw030JvI1spC1erGY+QsOK3tmHBc3EDu6DzuvKOEHk3MSYAmMioVe9X5wKnDQ==
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

2026-09-17T12:10:41.130170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012896
observed 34a99a4529e17cd23d00776bdcc53181...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:41.111511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012896/manifest.json
observed 50abffd36a6bb24fc1dfe43a04d3b25c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:41.093702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012896/publication.md
observed 0ee07be3893348976810e024e007fe10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:41.073806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012896/publication.txt
observed 0cff085f7a389e4c67eb3fe86671d26d...
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.