OpenTechnical

OT-2026-000100546

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000100546) never changes.

Identity and time

Publication numberOT-2026-000100546 · never reused
Internal UUID01a0aea3-66f1-756b-a433-47c4d0a244f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100546
StatusPUBLIC

Content hashes

Canonical text9e923c13f5d36acd60154c9df1c31bfa5a140f1424bcad0bc7ba3a25b9e7d1fd
Markdown9bcb75c5847563c71507e552ad6dd6cf53cf8383e0cc880408e1025d3d211487
PDF
Publication page1c402bc1935b4d59c2fb6c20532339b1055e9d5dcd9da7e124466935e3fee205
Manifestf63c61843ef823ea7d7e25c9f73a4cbc57f0e9d2450b9f568e4fdf6211431416

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
SignaturenQobnShfVBqEWEPCmZ9O2WUaVrlhklEQsKELHtbQTAhUIsJXNciuoTgqaux88Ttlb4WCwC2NX8BFM1gkmXKFCQ==
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

2026-09-17T09:27:19.100840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100546
observed 1c402bc1935b4d59c2fb6c20532339b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:19.083857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100546/manifest.json
observed f63c61843ef823ea7d7e25c9f73a4cbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:19.065814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100546/publication.md
observed 9bcb75c5847563c71507e552ad6dd6cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:19.049505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100546/publication.txt
observed 9e923c13f5d36acd60154c9df1c31bfa...
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.