OpenTechnical

OT-2026-000036471

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000036471) never changes.

Identity and time

Publication numberOT-2026-000036471 · never reused
Internal UUID01a0ae77-01d1-798a-93d5-ebd4c97513bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036471
StatusPUBLIC

Content hashes

Canonical text7b0a1be0faff5c4221bce28a8a7d87c808f9ed52aeb214005f59d0eff0c327ea
Markdownd20095c23ca7b273587f7294948a0c16a9bd793087ebe4418510713c8d02d3a3
PDF
Publication page26851ac1ae2df745eac2a2d04e51ae5bd1ba972039647380042f112fda7ad806
Manifest5d5cbe21194821f6d89497485ba5ad899860a8b96156782b88b05017fb72065d

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
SignaturedJcZmN+52FqK5WBIjlFr26icBgzEZx/VCoFfTsaE7ATACQ/0f5lK2+cPG0yCN3tXPLIaTza8mg3hy9hRnyfiCA==
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

2026-09-17T11:26:52.473401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036471
observed 26851ac1ae2df745eac2a2d04e51ae5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:52.456137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036471/manifest.json
observed 5d5cbe21194821f6d89497485ba5ad89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:52.438538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036471/publication.md
observed d20095c23ca7b273587f7294948a0c16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:52.420157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036471/publication.txt
observed 7b0a1be0faff5c4221bce28a8a7d87c8...
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.