OpenTechnical

OT-2026-000062417

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line 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-2026-000062417) never changes.

Identity and time

Publication numberOT-2026-000062417 · never reused
Internal UUID01a0ae8c-0abf-71df-aac3-57f782863ee6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062417
StatusPUBLIC

Content hashes

Canonical textc289a8504f64dfa4b47f88c168c394cb61b199ce87393ae46b6dece3788986c2
Markdownf9533b4ea83e761e93ca63805b36f965af2bb1b01e465f916d4fb9ef8aeb823c
PDF
Publication page7c9e3a4de505d4e0315da5136c4cf957680648cdffb45790b2c22254cff3b765
Manifest93cb40aab60bed3e83d51b7970ded6fc75da4d1273f2ac83f43e4f27d8a2968a

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
SignatureTs85+bDNQdqFEZstgHUw0j7sIzlA6I7dMarqvR9a0rpiVLUkmg56MWvdFFMH5U7BAmazD6mtOUKtf3AQ0P2eDQ==
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

2026-09-17T10:39:45.028231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062417
observed 7c9e3a4de505d4e0315da5136c4cf957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:45.008718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062417/manifest.json
observed 93cb40aab60bed3e83d51b7970ded6fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:44.989169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062417/publication.md
observed f9533b4ea83e761e93ca63805b36f965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:44.971283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062417/publication.txt
observed c289a8504f64dfa4b47f88c168c394cb...
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.