OpenTechnical

OT-2026-000022664

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000022664) never changes.

Identity and time

Publication numberOT-2026-000022664 · never reused
Internal UUID01a0ae70-46e9-70ee-93d4-2cdeb3a55e78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022664
StatusPUBLIC

Content hashes

Canonical text1d86aa16c5eed4180459b8fa1499493233fa81cccd7f4e278f1048ab0a2ec160
Markdowna2e05ec53a8373a251d430fdb59c400f874c33eccae729aebdc758bb3a0ead7a
PDF
Publication page3169b732287c22e81fd298ea98ea4f5c272503b42c9a5f0c6e9fb912dfc66b6e
Manifest6dbd577b438e3aaa5b948c8b8482c00494635f3590e8f07f1ef6d77aa682447c

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
SignatureXnWb2O5yvRQ5B6+eeDRlPjbei5zivddch6tM/KVoKVIw0o494yysLtnH0qw/9hc8CtYj7LRqLqmH5zn8tvC0Ag==
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

2026-09-17T11:52:02.886688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022664
observed 3169b732287c22e81fd298ea98ea4f5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:02.869792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022664/manifest.json
observed 6dbd577b438e3aaa5b948c8b8482c004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:02.851464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022664/publication.md
observed a2e05ec53a8373a251d430fdb59c400f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:02.833329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022664/publication.txt
observed 1d86aa16c5eed4180459b8fa14994932...
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.