OpenTechnical

OT-2026-000040121

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000040121) never changes.

Identity and time

Publication numberOT-2026-000040121 · never reused
Internal UUID01a0ae79-26fe-7ea7-ab40-e537dfab506b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040121
StatusPUBLIC

Content hashes

Canonical text8d4c14b835d980594a2654aff53ec98479ede755828103027fb676ec493625be
Markdown96930f99af2a19f9f94e32947486065471b1e8d5b764c0fc56b8e09895f29ed1
PDF
Publication pagedea1f9a7d2ed28baffaca8d06eae4a8a91821c3a4b20821b94f48df9663314b9
Manifest3ce5defd10e7fb95d5ce37a374e40b6f76c506622a17e43b78946e37880e9786

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
SignatureLNPLUBLdbFZJ4l5zSVNoH9+RCvuVrOVS5p1s6PJxzCF3oTKkJ11RZEcCYP6lv86crQ9b65r+zv/9OMiufusEAA==
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

2026-09-17T11:18:59.322159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040121
observed dea1f9a7d2ed28baffaca8d06eae4a8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:59.306162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040121/manifest.json
observed 3ce5defd10e7fb95d5ce37a374e40b6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:59.290482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040121/publication.md
observed 96930f99af2a19f9f94e329474860654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:59.274477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040121/publication.txt
observed 8d4c14b835d980594a2654aff53ec984...
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.