OpenTechnical

OT-2026-000051499

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000051499) never changes.

Identity and time

Publication numberOT-2026-000051499 · never reused
Internal UUID01a0ae83-7c80-7293-9b1f-9bc3f8d6cf02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051499
StatusPUBLIC

Content hashes

Canonical textaca16ca37a8afa1637ba0121e2fe8b3c3c20787d2c8d08a8955eb809f7c6ea07
Markdown24b6874238b6c050dc84bbf09d1ca1925c55960104d17f6181bce97b427b9f06
PDF
Publication page20ac2caf7443968b2fac61d76a7e8252bdef3307ecc1def5de6ba6bdebac6ac3
Manifest5091ae4c5fdeb15c2ec0f4ea948d7b72a55d64c5c868e3040425cfc6a86ffc3f

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
SignatureGOPhk2vBBYFC/ma8bmqFjH4UgiWxsZgw2lgPaCrwZsGzDsc1Kym2q/SBkG5HwhvzsXMaLjAJW08s+CQhFnsWAA==
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

2026-09-17T10:58:18.882629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051499
observed 20ac2caf7443968b2fac61d76a7e8252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:18.864112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051499/manifest.json
observed 5091ae4c5fdeb15c2ec0f4ea948d7b72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:18.844519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051499/publication.md
observed 24b6874238b6c050dc84bbf09d1ca192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:18.825222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051499/publication.txt
observed aca16ca37a8afa1637ba0121e2fe8b3c...
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.