OpenTechnical

OT-2026-000015739

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, pulsed 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-2026-000015739) never changes.

Identity and time

Publication numberOT-2026-000015739 · never reused
Internal UUID01a0ae6e-0c4b-7ca1-8a22-8d5aaef294af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015739
StatusPUBLIC

Content hashes

Canonical text775234ea1584ddd33ebb952f883b8b48509b0e6bbfec30951f337138020cb7c7
Markdown4ecc3304746a80fb1c1b8a078c3899a609eff199fb6280a0f81e98b89da1e6e3
PDF
Publication pagea12cbfde79a7b2a34661cde685302e4789e162450cd97d17119e8458907c1997
Manifestc91ac0b5ec655e7662af6392a711a7212b3fb397c0777fb404737bbe1426ec73

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
Signaturerfo7zHc9GyRLcWlzrQHJNm7EpNrdfqvSn5gWUcpzSjcI9t+KblP9sDpfeLZGtNfrJ1QGk6q4MJ1n+kFGGlJ1Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:05:01.672621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015739
observed a12cbfde79a7b2a34661cde685302e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:01.654824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015739/manifest.json
observed c91ac0b5ec655e7662af6392a711a721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:01.635937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015739/publication.md
observed 4ecc3304746a80fb1c1b8a078c3899a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:01.616824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015739/publication.txt
observed 775234ea1584ddd33ebb952f883b8b48...
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.