OpenTechnical

OT-2026-000019672

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000019672) never changes.

Identity and time

Publication numberOT-2026-000019672 · never reused
Internal UUID01a0ae6f-1fb3-7be0-a6da-b77bc778e804 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019672
StatusPUBLIC

Content hashes

Canonical text8efba7aacf51cd84fc9be25e2fce48db14b2c7cc6747ea7238504580ddb48636
Markdown51c7a052b79444700ba770a42c488ed2cd456081bc95baff9a6014403646b6a3
PDF
Publication page9675cf712fbdd633c5eb395745419f313c4034d03a5dea2ababd133ac1352a91
Manifest00a0bbc8710c28b314a9262061e6186deee884726da8a36c6389eae792309470

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
SignaturednVLV9mEiRokY4nj1RbqPX1p1/itOJ8SYLOrKhpP7UU8QFmHTmAbWsOlg2QFhJKkpWSb+Y/AWtoHsnXPxhD5AA==
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

2026-09-17T11:57:44.492128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019672
observed 9675cf712fbdd633c5eb395745419f31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.474037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019672/manifest.json
observed 00a0bbc8710c28b314a9262061e6186d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.455435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019672/publication.md
observed 51c7a052b79444700ba770a42c488ed2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.435677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019672/publication.txt
observed 8efba7aacf51cd84fc9be25e2fce48db...
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.