OpenTechnical

OT-2026-000013670

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000013670) never changes.

Identity and time

Publication numberOT-2026-000013670 · never reused
Internal UUID01a0ae6d-8de8-7d00-a8de-6633cab639fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013670
StatusPUBLIC

Content hashes

Canonical texte8c3e7fbfb9ee4973c6ca5a529b89ad7ab261e8c4faa9b5c75f60e095fe5a492
Markdowndfaa7da5406302a384066d52ef9ee9bac177c7282850bbfdb17eb18cef1ee146
PDF
Publication page7a1fcbebd6ca043012534d81211b48af07e5fa71b2f8dc14fc3a4ea0922bc8df
Manifeste45042ce099b7859f96907982e6c3bad27d6d63343cc875c5b3d0b537fcb7b81

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
Signature0CziSszWaYmRjCo2Rzc3sHRNlNK7GGsIttJhs5+eHljll+OCQMaMmPWWPOTkvgzItb6lL6bjxfNuSvacFN4yCg==
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

2026-09-17T12:08:36.901271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013670
observed 7a1fcbebd6ca043012534d81211b48af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:36.882658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013670/manifest.json
observed e45042ce099b7859f96907982e6c3bad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:36.864647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013670/publication.md
observed dfaa7da5406302a384066d52ef9ee9ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:36.844666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013670/publication.txt
observed e8c3e7fbfb9ee4973c6ca5a529b89ad7...
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.