OpenTechnical

OT-2026-000015338

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line 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-2026-000015338) never changes.

Identity and time

Publication numberOT-2026-000015338 · never reused
Internal UUID01a0ae6d-ef49-729d-88c2-ceefdb65c68f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015338
StatusPUBLIC

Content hashes

Canonical text0b38dc48d58367a2b588f776e6b0dc14ca02afc9ce839c8aa2b3526d7d599f93
Markdown9d8aef7057f20934fe23953d349f3136bc70afd4d4dea3e29d6821a1c34f3815
PDF
Publication pageebd321cc33d2b61a3edd58fef271ddf49a25c73e23e5d8f32f8eb3a5bb4c0631
Manifeste6cfa5b6b7b20e88213060e956febdf626cd36ed03ca5ab306c2091ec51a10e0

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
SignaturexzTNtAb5oHRHMoyxRBYOMqYmYNANyXh6/qn6OlpSXW2W25sf5dfWMXyE1tP0BP5oWzOZBPtFPhLOwLD1v2ziAg==
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

2026-09-17T12:06:02.456913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015338
observed ebd321cc33d2b61a3edd58fef271ddf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:02.434879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015338/manifest.json
observed e6cfa5b6b7b20e88213060e956febdf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:02.394870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015338/publication.md
observed 9d8aef7057f20934fe23953d349f3136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:02.355425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015338/publication.txt
observed 0b38dc48d58367a2b588f776e6b0dc14...
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.