OpenTechnical

OT-2026-000081732

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000081732) never changes.

Identity and time

Publication numberOT-2026-000081732 · never reused
Internal UUID01a0ae97-0f74-7185-b1c7-989e0cad8d80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081732
StatusPUBLIC

Content hashes

Canonical text9757e30d584bcf9790eac83e2ea0cdb99817da9a656aeb6a0b098b8de4abf138
Markdown20bd106e64735e3f41e607f1b477861ce57faf1f4595e93ac8599e023d443e46
PDF
Publication page8123f04f78db087ff940278f8d9c5e954cfdaaa7bf51d4d39ee6659549f6a633
Manifestaef7eed922707da5aeee0185e1b4b8ef8e712a00ecad004340906bf1699126b0

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
SignatureH0fwysGgKdHsUP+1hlPq4udAFXC+iLnMYE/zAZyBzHgkBagbN0eZxHidVvi/uM2JfmzL7NVungXBap6+A2A1Dw==
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

2026-09-17T09:59:48.779521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081732
observed 8123f04f78db087ff940278f8d9c5e95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:48.761503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081732/manifest.json
observed aef7eed922707da5aeee0185e1b4b8ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:48.742942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081732/publication.md
observed 20bd106e64735e3f41e607f1b477861c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:48.722970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081732/publication.txt
observed 9757e30d584bcf9790eac83e2ea0cdb9...
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.