OpenTechnical

OT-2026-000093972

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000093972) never changes.

Identity and time

Publication numberOT-2026-000093972 · never reused
Internal UUID01a0ae9e-92c9-79c7-b7f2-2183555c495b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093972
StatusPUBLIC

Content hashes

Canonical text664ab4486897c081170de90647001c3179b9c41464ca32830827f6fe682da8ac
Markdown0139ba35883a69334358471e4c27729486f359bc4d5b84646059f1fd3cd71392
PDF
Publication page117b0d1d533615443cfbcb5a2feeec6cc17ea441f439c480364da09412518d2b
Manifest98095f6af4cc1f1501f4631fdd22589378d15de9029e2093914a075a4c723236

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
Signature5fslcUlFJdOZCS9qZKsFdZ5GA0rtZWs+/bXPBXEJu0LuzBqCfVOB5quqJLeTNAv3wpb5przBlLoQwCgn1vNRDg==
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

2026-09-17T09:38:22.312532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093972
observed 117b0d1d533615443cfbcb5a2feeec6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:22.295601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093972/manifest.json
observed 98095f6af4cc1f1501f4631fdd225893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:22.278224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093972/publication.md
observed 0139ba35883a69334358471e4c277294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:22.261221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093972/publication.txt
observed 664ab4486897c081170de90647001c31...
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.