OpenTechnical

OT-2026-000039518

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000039518) never changes.

Identity and time

Publication numberOT-2026-000039518 · never reused
Internal UUID01a0ae78-d8d3-731e-a079-179e2e66e351 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039518
StatusPUBLIC

Content hashes

Canonical text603e587790d33cf9d50a0ccc1ae9555d9847b8b996891689f6b1ada555b5e67d
Markdown7391956364c9a8be765640a77c5938f6cef16334577b686e9da0a9d0c4d74c19
PDF
Publication page0ccf9f64e27219454d64d04a8855bc767533fa04dd2c2232fa47cbbca44164a9
Manifest8e5e56c445447117ada1ff0ced68bf0741c4d76217082be2359bc91f2ca6eed2

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
SignatureQ6KCRbJojdVYiKiZ85GyVlzXNUQj72dbUS5kVRfjkZeA3yh2VoJBeTQBws7LOAGVX7opKFXFw95RW6lPX0A4AQ==
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

2026-09-17T11:19:39.472452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039518
observed 0ccf9f64e27219454d64d04a8855bc76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:39.454400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039518/manifest.json
observed 8e5e56c445447117ada1ff0ced68bf07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:39.437096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039518/publication.md
observed 7391956364c9a8be765640a77c5938f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:39.418970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039518/publication.txt
observed 603e587790d33cf9d50a0ccc1ae9555d...
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.