OpenTechnical

OT-2026-000083480

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000083480) never changes.

Identity and time

Publication numberOT-2026-000083480 · never reused
Internal UUID01a0ae97-c965-7045-9dd6-519609488b24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083480
StatusPUBLIC

Content hashes

Canonical text2f4789658d26398675471b7f84d65cb6c0a1f263723ce801039bf6cc01a76506
Markdowna5fd2863154ccf2eb3f8b76b291f96a0ba0e804b42138fa553ed15ed491905ec
PDF
Publication page4e4adf5c6023aad23f3894d896a631705376241ddc8526ab4d0b0e3ae1bc8246
Manifest4d24fb262cca0d914885c0f9c133aa8b9e63e0fda883299b7b9d2baaf17474f0

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
SignatureN3i6xINcW/cpWGYgFTpMqL9siht9Qh5LGnNOAi/IS+xN4tfseN2jUpiypqhOo9RwEP2CbgWpnkxpECj0v8UYBA==
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

2026-09-17T09:57:54.195411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083480
observed 4e4adf5c6023aad23f3894d896a63170...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.179362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083480/manifest.json
observed 4d24fb262cca0d914885c0f9c133aa8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.162328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083480/publication.md
observed a5fd2863154ccf2eb3f8b76b291f96a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.144280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083480/publication.txt
observed 2f4789658d26398675471b7f84d65cb6...
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.