OpenTechnical

OT-2026-000092909

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000092909) never changes.

Identity and time

Publication numberOT-2026-000092909 · never reused
Internal UUID01a0ae9e-090e-7b52-aaec-74452086db2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092909
StatusPUBLIC

Content hashes

Canonical text2b2e06cbe6a96ef59f0ce318fd51259bfb1945531f305a3ccde4a9013b1f543d
Markdown1e3a32ed88342e7f2f8716106804f9a0c936101c5af7e50350e5680c25ae3e49
PDF
Publication pageaadbea0ce2ee50aac45bb9015759c8b58b9f004f1ca82a4e0576f9159457c309
Manifesta501fc574790aa8dfeeb5ff2d497efc8bfc2095e09754ee6a12a5d1a44f4dfba

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
SignatureERXaUKXCMCQfLFAYxkbHdTub+dV1vpnjLp5ZKl1YtmpIJKuMe5m/eB0ahIKoJHo2ELDcsXAHxW7iZm/dOg/1CA==
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

2026-09-17T09:40:01.527664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092909
observed aadbea0ce2ee50aac45bb9015759c8b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:01.510478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092909/manifest.json
observed a501fc574790aa8dfeeb5ff2d497efc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:01.493221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092909/publication.md
observed 1e3a32ed88342e7f2f8716106804f9a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:01.475149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092909/publication.txt
observed 2b2e06cbe6a96ef59f0ce318fd51259b...
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.