OpenTechnical

OT-2026-000097815

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000097815) never changes.

Identity and time

Publication numberOT-2026-000097815 · never reused
Internal UUID01a0aea1-92f6-761d-a1f4-b1a5b1de1c02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097815
StatusPUBLIC

Content hashes

Canonical text3a85a38f42eb4d91f2381f16994e1706fc3073d567edf8736fdeb1ff389d791e
Markdown7b3b7b6eb654f9d59e716d3f9d5dc3fa0e1e67726496e446e1905fc198e6ee99
PDF
Publication page92becd5405f5c3549b5d054005c3c48dec0c0f79c61833409ff6a66c3b20aa70
Manifestd27b8bbfca89560eeaa7448921682afcd00b8f31ab37332187acdc84b32fa96d

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
SignatureDo0XVrSzeCBPGG6M+/cENVrs2jVVocSET03I4JrhbpHtnXAmdUeI7uNbzxo2S9lnMI9Ku2lfaaj2S53p9ZccCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:54.309294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097815
observed 92becd5405f5c3549b5d054005c3c48d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:54.291905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097815/manifest.json
observed d27b8bbfca89560eeaa7448921682afc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:54.272845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097815/publication.md
observed 7b3b7b6eb654f9d59e716d3f9d5dc3fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:54.254040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097815/publication.txt
observed 3a85a38f42eb4d91f2381f16994e1706...
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.