OpenTechnical

OT-2026-000018532

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000018532) never changes.

Identity and time

Publication numberOT-2026-000018532 · never reused
Internal UUID01a0ae6e-b48a-716a-aa82-5e9a4ad85941 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018532
StatusPUBLIC

Content hashes

Canonical textf9fe24375a5c01f95609dd171f4a2d41e1d72cb5319528f4b9385c06683985e9
Markdownac1ce3ff3b5cc76ad83ff3b1d6e7df25eeb44ed7be90e974db01f8b06fdd71b2
PDF
Publication pagef442c8f6c3965da696d89d1a57ae2d8925c8499c2bed516291f6ed274d120bac
Manifest12d01ccce6a2ec33fc40ea5e63ddf983af30155a724994c11736f449d2bf8d7a

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
Signature63V5zoobgqJfKlLqn9BBvyyS8zr9iBZtPJ5XyDA5jEfcnQ4YiW1qfsy1UFdpkRQkNQnBThlKF33nZY8b1iqrDw==
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

2026-09-17T12:01:18.570214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018532
observed f442c8f6c3965da696d89d1a57ae2d89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:18.553963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018532/manifest.json
observed 12d01ccce6a2ec33fc40ea5e63ddf983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:18.537924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018532/publication.md
observed ac1ce3ff3b5cc76ad83ff3b1d6e7df25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:18.519484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018532/publication.txt
observed f9fe24375a5c01f95609dd171f4a2d41...
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.