OpenTechnical

OT-2026-000045254

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000045254) never changes.

Identity and time

Publication numberOT-2026-000045254 · never reused
Internal UUID01a0ae7c-f76a-71a4-867e-e6fb3622ca59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045254
StatusPUBLIC

Content hashes

Canonical textf7bcf7aa2344a8abd5272a8b58155ecab30f9cccef272c4fc00d51851ce5c1e9
Markdownd0cce3564354f7f0230b41abaa58fd6815407fb20e50f5df8c814103f37cc9b9
PDF
Publication page45d31eb1487f5397d172aa4942437b40b6c9b366fdbbdb5aaafa43b35c61360e
Manifest89cbe5a13e2b09a69bc8ec9ecd19e83494928541469c692863260b16d20fc15e

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
SignatureT/068OlBYjFpeArn2+Ei8tbtj5PeaHTkqApJCCZdkPVhPrZaZ1JP/wCncB/3diE+ei6d/5A+WGqvDXJixigVDQ==
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

2026-09-17T11:10:27.565401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045254
observed 45d31eb1487f5397d172aa4942437b40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.543746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045254/manifest.json
observed 89cbe5a13e2b09a69bc8ec9ecd19e834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.525042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045254/publication.md
observed d0cce3564354f7f0230b41abaa58fd68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.503303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045254/publication.txt
observed f7bcf7aa2344a8abd5272a8b58155eca...
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.