OpenTechnical

OT-2026-000063633

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000063633) never changes.

Identity and time

Publication numberOT-2026-000063633 · never reused
Internal UUID01a0ae8c-f945-7794-99e0-c2f1e4bc51fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063633
StatusPUBLIC

Content hashes

Canonical textbcd8822c4098b13509be95bf716a7f68b58672bbc11aff934f06c0f60f9f8205
Markdown724b537884a9f8f471712993eb2c9bf9dc0c0a65b772e0fe682d6ae1c454f5f5
PDF
Publication pageef7330bd23ebe1c2e4fe4d1d3408eb16e2ba7bc05b9880902b2f9ea75355a2e9
Manifest4a67b0e063d8a858c3d07677b821a98ee28c23e11f442776b49d337ea7519f2d

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
SignatureGJNUhiTOeqC2R1nhmN1cEk+kaRe0WZRlHM1I9IhgIKc4+cvbdX0TibdaYrNjn8rnB8e/wjGAjGkrc4+DpglRDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:44.011880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063633
observed ef7330bd23ebe1c2e4fe4d1d3408eb16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:43.991810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063633/manifest.json
observed 4a67b0e063d8a858c3d07677b821a98e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:43.971912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063633/publication.md
observed 724b537884a9f8f471712993eb2c9bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:43.950576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063633/publication.txt
observed bcd8822c4098b13509be95bf716a7f68...
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.