OpenTechnical

OT-2026-000064109

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum 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-2026-000064109) never changes.

Identity and time

Publication numberOT-2026-000064109 · never reused
Internal UUID01a0ae8d-a45f-7662-9d6d-215ccfcc1fa5 · 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-2026-000064109
StatusPUBLIC

Content hashes

Canonical textaa7ac3666959a43d980b79ddd21dcb57d5b188c39e4dfe669f5c388c9c4448e3
Markdown10a4d2cfb2a450679553a937a894e12eda55cb3075fbe7ff7665f61521cbc0c1
PDF
Publication pagefc7eab32045b84ffef4a39386fe131ae81546dd27ef119319e3f23bb3c22e114
Manifest91165ee29c1396433e4f8cf37ffc8cee0dc1fef548fd17bba7b287c64303bc56

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
SignatureoVrREGbr+3Xk9Hl0vk/jp9EYbuZLkAPVTUP6rSLpEi8k5BNl2fgjDlCBeM5dRrKIl1aRc5o9xrm7hvk+8J8PCw==
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

2026-09-17T10:36:06.127154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064109
observed fc7eab32045b84ffef4a39386fe131ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:06.107491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064109/manifest.json
observed 91165ee29c1396433e4f8cf37ffc8cee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:06.089944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064109/publication.md
observed 10a4d2cfb2a450679553a937a894e12e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:06.071513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064109/publication.txt
observed aa7ac3666959a43d980b79ddd21dcb57...
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.