OpenTechnical

OT-2026-000045550

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000045550) never changes.

Identity and time

Publication numberOT-2026-000045550 · never reused
Internal UUID01a0ae7d-8f02-7198-bebb-3c7ebd57c063 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045550
StatusPUBLIC

Content hashes

Canonical text6f5f5e969be68bdd395e5410977686446b780ebe9786870d9f648f8d34c3bf9b
Markdownfd227a33ffd53e0c241a10100d80bf05d2e0b861cd2a9d1c7178646c575be993
PDF
Publication pagebcf8d216282a52be88b845199c8ee294a90def3b088a708277e505f201563a81
Manifest39e42a254e8e54b15a7ef77152d219dc61213aa523a60e4556f5f893e35a5cac

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
SignatureS1nvzmpTIGmfXcsL4vCbd+SwwG7MKU011UMGqMN4VvkrRiCIVz7UbTuPH0ryFJREJWlau4OuIlfLjnsnBoNBAw==
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

2026-09-17T11:09:18.155941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045550
observed bcf8d216282a52be88b845199c8ee294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.138573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045550/manifest.json
observed 39e42a254e8e54b15a7ef77152d219dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.119727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045550/publication.md
observed fd227a33ffd53e0c241a10100d80bf05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.099381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045550/publication.txt
observed 6f5f5e969be68bdd395e541097768644...
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.