OpenTechnical

OT-2026-000007670

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000007670) never changes.

Identity and time

Publication numberOT-2026-000007670 · never reused
Internal UUID01a0ae62-76bd-7e05-94af-0768b578b556 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007670
StatusPUBLIC

Content hashes

Canonical text2703c5d48b86fe0d087ef4f828ba72a1a08c6d515df78ab23f174bcd0a23f781
Markdown33895ad94f0defe1006612bccb077da416ad8c9d8622b0764ee399c9fc81e459
PDF
Publication pagedc5e721622daf92037430c3218d4d188c05e9010becc9590e2e94433c9f65cce
Manifest8a75f2c0acc58813e62775ffdc4182664c541e42344666dc3e796f4c54766d81

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
Signature1F+PPuliJ1SGD+E6P/EuWX/r5MjFn8DSfkqGc0g/BZKfi1Fe9fwS4pBzZSTFJwKyq5bIENI7fPmUlw482dwxBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:17.688992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007670
observed dc5e721622daf92037430c3218d4d188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.670962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007670/manifest.json
observed 8a75f2c0acc58813e62775ffdc418266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.654374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007670/publication.md
observed 33895ad94f0defe1006612bccb077da4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.637507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007670/publication.txt
observed 2703c5d48b86fe0d087ef4f828ba72a1...
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.