OpenTechnical

OT-2026-000092973

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000092973) never changes.

Identity and time

Publication numberOT-2026-000092973 · never reused
Internal UUID01a0ae9e-090f-7a96-bd58-e271bd248449 · 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-2026-000092973
StatusPUBLIC

Content hashes

Canonical textd891cbcb7c7083181deb4c9c97d7feef2fd90c0c46e10a5c1aed5ccc54619628
Markdown6607b51ba4f34303588842d37d3a15fd100cf4e420cde644ab1c8e16aa3e4cd4
PDF
Publication page4d5aace51d524c767892e13a8f286ba4745d5dbf5640eddfac67502e1cefeada
Manifestbae6b2769ad70757fd03f23cc2020250b8496f2e876a755636756815c9474608

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
SignaturePIOJC5Erw1NR53ZWPJkrXQQf1sflJLZpHR35u7LCSnkih1CpWlBH8F0B++NCrOlMygRJq1ZyDOizMPUch2RRBQ==
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

2026-09-17T09:40:10.248517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092973
observed 4d5aace51d524c767892e13a8f286ba4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:10.229651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092973/manifest.json
observed bae6b2769ad70757fd03f23cc2020250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:10.213570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092973/publication.md
observed 6607b51ba4f34303588842d37d3a15fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:10.195808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092973/publication.txt
observed d891cbcb7c7083181deb4c9c97d7feef...
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.