OpenTechnical

OT-2026-000089251

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000089251) never changes.

Identity and time

Publication numberOT-2026-000089251 · never reused
Internal UUID01a0ae9b-db00-7c6b-b8fa-10b350a068da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089251
StatusPUBLIC

Content hashes

Canonical text3be38d7e120db7dfa8d4b9614e287d3d1fbc5b010a7d504e2cb823b1b09abeb5
Markdown78117ce2521b607d90d9c519ffa9036b644a5926dd311a45982e6ed41e06acc8
PDF
Publication pagebbb92c6b6dc0fb4c00444c30dcf190b42cba16c46350bc7defd28bf9fc6eb8cd
Manifestd28b6eda06f835e516c5b17d2c7eedab2fba2604ba7a1b0d0cdc6b795e7e8c9f

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
SignaturesfozFdUC8nTtLAOCqs0nrd3KamhXYRv40bL76UpTWrlqJid6mNCXN2Yi+cyZ0K2ozKIRKTt3RY45ksYQ4ANYDQ==
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

2026-09-17T09:47:17.150818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089251
observed bbb92c6b6dc0fb4c00444c30dcf190b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:17.131889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089251/manifest.json
observed d28b6eda06f835e516c5b17d2c7eedab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:17.112852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089251/publication.md
observed 78117ce2521b607d90d9c519ffa9036b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:17.094477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089251/publication.txt
observed 3be38d7e120db7dfa8d4b9614e287d3d...
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.