OpenTechnical

OT-2026-000016147

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000016147) never changes.

Identity and time

Publication numberOT-2026-000016147 · never reused
Internal UUID01a0ae6e-2d10-76d6-b701-e4d9865127b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016147
StatusPUBLIC

Content hashes

Canonical text6a8a0b54e9503b373d244a5ea95f7687b95a6f40dfc23d0103ec282abc612ecc
Markdownf025458f54a32c9a4a27c1d1d701bc05bfcf0c4ae3b9d01378e4be0ac83d6e11
PDF
Publication pagebf678db3237201f3809cfd98b16593d5d46f8b0ee468125458301c62778cd2c1
Manifest46aff12b35bb939a535dc09b790c0ab80c5c85d2a5b6d1eefd5e39e8e4eb2807

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
SignaturehZ8hqpqd4DrVK7Nh+C6XM+R04ngTYhdJbSnc8C8TkdCeZtka9xNB9ENZ6wgph7kF1CC8Kpef7Gl200icrfasAw==
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

2026-09-17T12:03:35.205499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016147
observed bf678db3237201f3809cfd98b16593d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:35.186138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016147/manifest.json
observed 46aff12b35bb939a535dc09b790c0ab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:35.165533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016147/publication.md
observed f025458f54a32c9a4a27c1d1d701bc05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:35.146927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016147/publication.txt
observed 6a8a0b54e9503b373d244a5ea95f7687...
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.