OpenTechnical

OT-2026-000017395

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000017395) never changes.

Identity and time

Publication numberOT-2026-000017395 · never reused
Internal UUID01a0ae6e-76c9-7677-bf08-7fa6c2b7966c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017395
StatusPUBLIC

Content hashes

Canonical textc89393c48ecfa4c1494c8b2a60e83ac668f0b5e1d9ee2b9d6e0a0dfda35f4ef6
Markdown33cd318d75fc7b9b918d786e816263bca17336bed8d725ed0251f002ff61726a
PDF
Publication page24b12f689ed3be7c907fc40293a17bf186ed8872a9339ee6d8ec6585fd033900
Manifest3de98398c924582dd3078632c703aa763c894d313432917a937bf80461cc74ac

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
Signaturexpzuk37kU5peg4v1lG97TOlTG7/gA/FMjRgz7V0QfQAOVv96aUsy4wwnkLgLBKgRcpqglX/ZzgvnRHyB02alBQ==
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

2026-09-17T12:02:31.211220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017395
observed 24b12f689ed3be7c907fc40293a17bf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.192784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017395/manifest.json
observed 3de98398c924582dd3078632c703aa76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.175912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017395/publication.md
observed 33cd318d75fc7b9b918d786e816263bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.159457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017395/publication.txt
observed c89393c48ecfa4c1494c8b2a60e83ac6...
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.