OpenTechnical

OT-2026-000025001

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000025001) never changes.

Identity and time

Publication numberOT-2026-000025001 · never reused
Internal UUID01a0ae71-2728-701c-b72b-7186a20a1b85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025001
StatusPUBLIC

Content hashes

Canonical textaf5b1dd9b561e0448192ee48312946a48c8442a515ea1cb04b62968cb408a30a
Markdownfd1153a12632f7f79ab28c037e32643c44362b14080b740c1f13248dcfe43709
PDF
Publication pagea1a73bbf87db55dd642d15a610280891be36407c5a4525243bc74d3e1c74fcce
Manifest6323da77be59056ba146c32384fe982f0a5582d26c82777b54a46f8702857694

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
SignatureppxDJ6j8Lf78IrqEQZQPMS69zLOXguRlK70UkDqoh76tO4L6VaGU0tGFHWwDju3gWQjCVKGr73GWpenf0hGIAw==
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

2026-09-17T11:48:23.413794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025001
observed a1a73bbf87db55dd642d15a610280891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:23.396560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025001/manifest.json
observed 6323da77be59056ba146c32384fe982f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:23.375872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025001/publication.md
observed fd1153a12632f7f79ab28c037e32643c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:23.358794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025001/publication.txt
observed af5b1dd9b561e0448192ee48312946a4...
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.