OpenTechnical

OT-2026-000025509

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000025509) never changes.

Identity and time

Publication numberOT-2026-000025509 · never reused
Internal UUID01a0ae71-5fa8-7511-a026-29e0c09ae386 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025509
StatusPUBLIC

Content hashes

Canonical text614cb74ed6c9f4ccd4b29ba402b928fe9a12499b3b3a38eb28396dfd71e07c3a
Markdownfa5379a2f22376adecb11f87118c1271ee2c1ed7be9695ede28c722068777282
PDF
Publication page20b195f4e7a6dfd8285981e842be4b3878c45c7e74e2b2899b91a5a4d2e83ccc
Manifest284b4f1c115dabc3ba2c9bbef550d7b3b6445e953f430ebcb96f5f1d8fc48302

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
SignatureTySvYOWatfhTQBLA/a77xxs0vWWBuYQE7mQDUe0CV76XWxwCCQ/2MK8/jpNGwXCKXTFhbosZV7o7HwQvcEMyCA==
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

2026-09-17T11:47:38.371908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025509
observed 20b195f4e7a6dfd8285981e842be4b38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:38.338076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025509/manifest.json
observed 284b4f1c115dabc3ba2c9bbef550d7b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:38.287704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025509/publication.md
observed fa5379a2f22376adecb11f87118c1271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:38.206029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025509/publication.txt
observed 614cb74ed6c9f4ccd4b29ba402b928fe...
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.