OpenTechnical

OT-2026-000061381

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000061381) never changes.

Identity and time

Publication numberOT-2026-000061381 · never reused
Internal UUID01a0ae8b-7b42-702e-9a97-5050edd8a97d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061381
StatusPUBLIC

Content hashes

Canonical textdc9e1057f92d7fe2f1c5a61a0ae6c84a13a02413856a0a0072749a9c438a14df
Markdownf22a761b10162efa7986ad5e850db893a2804d36522c5b979011fb4bfb7c7ef0
PDF
Publication page5d2574b8fabb46b54f0bd0da0266249ac0486c827fda21351e704d449c11d384
Manifestaad9695ae6cf0297cb742edc91199d0d942dea181118779348ac7dff3f82364f

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
Signature5o9XW9zfpBAg/pqsspZXEy6itIK9HnuMzuulNxu3bpevS8KJ9B832QhKwaaMK768eFTFk0qbZ8Uwg13dYam0Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:14.362894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061381
observed 5d2574b8fabb46b54f0bd0da0266249a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:14.345640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061381/manifest.json
observed aad9695ae6cf0297cb742edc91199d0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:14.328825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061381/publication.md
observed f22a761b10162efa7986ad5e850db893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:14.311411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061381/publication.txt
observed dc9e1057f92d7fe2f1c5a61a0ae6c84a...
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.