OpenTechnical

OT-2026-000064481

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000064481) never changes.

Identity and time

Publication numberOT-2026-000064481 · never reused
Internal UUID01a0ae8d-a461-7234-a84a-38fd63d67f47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064481
StatusPUBLIC

Content hashes

Canonical texte5c6b2d8803e646d6dbad4f9d5ab2f96ca3e5fd13499509573aaeb16b1e11605
Markdownba2e13f1df9f91245c60e3041995d0ea89c18b7d220fce48668425cd2dc3c59a
PDF
Publication pageabdb76ddcf25d394495a476f18731d9febf2529c12df59e4e9511b62b6a62223
Manifest3b4ad89806d0d7f753723c45833104b7a38cad6668b6bfa090395ccd5ab1f94c

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
SignatureIDO2DNpkvYaK5NgPhDF70RvJh47B//7Oi/y8tcbXmhE8mpwSGVKung8wqyQ+JJf0PCHyj4un4FXBhAgsMTFBCQ==
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

2026-09-17T10:36:40.580944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064481
observed abdb76ddcf25d394495a476f18731d9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:40.561198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064481/manifest.json
observed 3b4ad89806d0d7f753723c45833104b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:40.541507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064481/publication.md
observed ba2e13f1df9f91245c60e3041995d0ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:40.523018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064481/publication.txt
observed e5c6b2d8803e646d6dbad4f9d5ab2f96...
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.