OpenTechnical

OT-2026-000062769

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000062769) never changes.

Identity and time

Publication numberOT-2026-000062769 · never reused
Internal UUID01a0ae8c-6389-7471-a7c1-7593c27721d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062769
StatusPUBLIC

Content hashes

Canonical textf8c3206451a1e8c1f764fdbd05beea64cbdffd3553abd8e2f3705060b9583a6f
Markdown38a6f5e7303a04d3cf0ed4e1574f4d6609a5e16001e22dddd3281d7bd3b6a9aa
PDF
Publication page79ce5b494e922b64f6e50169d9a5644e92168bcc1cbf6dfa48f760c38164e655
Manifestca9dc2e4fa9a42a185ae9f1ecc3023231b0e18827a4c5256783210d0a346c534

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+wos4jnjpvDntvMmpnCdqc2xX5bqie8WS4TszkPBo9LsjhsriOuSDZsAcaHcQWMFqzJCp+UOu3jGrL5KWVVLAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:21.251860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062769
observed 79ce5b494e922b64f6e50169d9a5644e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:21.234214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062769/manifest.json
observed ca9dc2e4fa9a42a185ae9f1ecc302323...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:21.216135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062769/publication.md
observed 38a6f5e7303a04d3cf0ed4e1574f4d66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:21.193785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062769/publication.txt
observed f8c3206451a1e8c1f764fdbd05beea64...
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.