OpenTechnical

OT-2026-000066321

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000066321) never changes.

Identity and time

Publication numberOT-2026-000066321 · never reused
Internal UUID01a0ae8e-8dc4-79ae-b2d2-090e9b6021fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066321
StatusPUBLIC

Content hashes

Canonical text81c9775b63d33be51ea4647625135b8d2340122a30f3343cd51ed3597aae3a55
Markdown5891ae1b0912fd77d744f76abcccb6bbc6c6228080f46576aadd0ee4f0ff5b43
PDF
Publication pagebfef38fe62e4cd171a21956cf60014c8847b8465f6cb3e610bee9a9d6eb074e6
Manifestef9893bdd9c97f9ce07e38d4946f8bf98b63420835f9528c3e36a36b52492050

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
SignaturejXXH/KLcsc0UhCxssWm80zURkIaW0IiufMfJWaV7pGKVpEXPxbtZ8TBkaBRBpUljHGlZx1g2gN7YBU0n5avpAw==
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

2026-09-17T10:33:30.710564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066321
observed bfef38fe62e4cd171a21956cf60014c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:30.694920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066321/manifest.json
observed ef9893bdd9c97f9ce07e38d4946f8bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:30.678025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066321/publication.md
observed 5891ae1b0912fd77d744f76abcccb6bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:30.660678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066321/publication.txt
observed 81c9775b63d33be51ea4647625135b8d...
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.