OpenTechnical

OT-2026-000022425

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000022425) never changes.

Identity and time

Publication numberOT-2026-000022425 · never reused
Internal UUID01a0ae6f-f4fd-7370-8858-584a94a96ab5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022425
StatusPUBLIC

Content hashes

Canonical textfe7fedf76a8145d51e9af0c19380e171ad773fe092227d11facbc7c581f5f2ab
Markdown18195916b0ea102ac16ecb4a90c6699178eb04904c5f84ff16bb2277e7a70e71
PDF
Publication page777f5d5d7b77b401403152e5c4651b8a3da04f335c7a998a328e3f206c0e970c
Manifest5c5ad3470d13d9a39ec8f0a1f55a5ecc1be4382ae185c9efd12d0d22137cad43

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
SignatureePzmukLnrnse+oTuK9Wni2WnunjwT48Y6sGkehRFRfCJDOJHY/ME0PkCiDsTSq3eJGOx4qr40XyMQqCvNtW3CA==
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

2026-09-17T11:53:48.925613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022425
observed 777f5d5d7b77b401403152e5c4651b8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.906738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022425/manifest.json
observed 5c5ad3470d13d9a39ec8f0a1f55a5ecc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.889536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022425/publication.md
observed 18195916b0ea102ac16ecb4a90c66991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.873412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022425/publication.txt
observed fe7fedf76a8145d51e9af0c19380e171...
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.