OpenTechnical

OT-2026-000067374

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000067374) never changes.

Identity and time

Publication numberOT-2026-000067374 · never reused
Internal UUID01a0ae8f-6bd8-7923-a6b7-328d0dcae829 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067374
StatusPUBLIC

Content hashes

Canonical textbf55ecddf75724fb0a4eb3c8f9466bc80ea0f43429c05f358440eaaeb97729b5
Markdown3521b3d0af6ce04236e9d4b0bf34d4266b027cb6b5230beebe03c68e500c8a5a
PDF
Publication page0dba71bb0d7d9b0f86013d4761f785259d1ddd24493a5f47f6899947d3e17f5f
Manifestb58eecfb2f54e68f0d4c06932e536d5bd5da6a897cf89c3557c73e065a86318d

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
SignatureOxqyRQBHegK/YL+xn+uIozABNKg2s0HLYQDOtzYqzqYw/Ldlb9m+FpffSpIVqZEW3hhsF9tcR94lSZKlpr/jBg==
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

2026-09-17T10:31:33.690864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067374
observed 0dba71bb0d7d9b0f86013d4761f78525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:33.673309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067374/manifest.json
observed b58eecfb2f54e68f0d4c06932e536d5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:33.655913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067374/publication.md
observed 3521b3d0af6ce04236e9d4b0bf34d426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:33.637289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067374/publication.txt
observed bf55ecddf75724fb0a4eb3c8f9466bc8...
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.