OpenTechnical

OT-2026-000020482

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000020482) never changes.

Identity and time

Publication numberOT-2026-000020482 · never reused
Internal UUID01a0ae6f-437c-7c2b-9dac-6dff26150ee0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020482
StatusPUBLIC

Content hashes

Canonical text704a4614b88c1184b5ec7bc708db61a1f0158dcd1d6d159b99d3d7adb4582cba
Markdown25faf7bb119bd5d6bde0dbc578502d51077bee24014d26b7ad07c4bcd273083d
PDF
Publication page027ce8855023abef7958a6b7fed624b0ea2ef5a696cf7880ff60c0880a7e2fcb
Manifest594f6e83271fecbafd8069bed6b498799301ff55000ed4570bff2f8af99dd97d

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
Signatureyfmkk09UOIwvaY2t3f/ePcgjZmppyXAeC1Lodh2vPkKs6lgTwMEact2iPuwufNHprwTWwiPpdWVF9jDNITZTBw==
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

2026-09-17T12:00:26.113641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020482
observed 027ce8855023abef7958a6b7fed624b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:26.092932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020482/manifest.json
observed 594f6e83271fecbafd8069bed6b49879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:26.073159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020482/publication.md
observed 25faf7bb119bd5d6bde0dbc578502d51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:25.747689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020482/publication.txt
observed 704a4614b88c1184b5ec7bc708db61a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:29.531949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020482
observed 027ce8855023abef7958a6b7fed624b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:29.514838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020482/manifest.json
observed 594f6e83271fecbafd8069bed6b49879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:29.497613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020482/publication.md
observed 25faf7bb119bd5d6bde0dbc578502d51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:29.480305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020482/publication.txt
observed 704a4614b88c1184b5ec7bc708db61a1...
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.