OpenTechnical

OT-2026-000091083

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000091083) never changes.

Identity and time

Publication numberOT-2026-000091083 · never reused
Internal UUID01a0ae9c-c012-77fd-aaf7-14a0df4bc8c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091083
StatusPUBLIC

Content hashes

Canonical text45469c279797110be4cba5c1e74465cb97c641a3f009a884c65d996e662a8b38
Markdown3c79cb6cfefef7e9ec59d5e5bd63b5a64c7a586ae24cc7a1a4c9681756d947e3
PDF
Publication page7fe1ad6b6a936f1fe144881e9d213bc8001c061b6fa9a5903e31f7827d996de2
Manifest81c3e025502c3e71f23de09b9410d06e5fc8f5678ced8d711e42766ebb04fb68

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
Signature5BYySPWD6J9zuYQTGFt9YOJtEWta16kThyZTswrwFdB/aZC58IakWGpxv+h0oMakBVow7XCNjYPYst8+nbrXCw==
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

2026-09-17T09:44:19.737258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091083
observed 7fe1ad6b6a936f1fe144881e9d213bc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:19.719871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091083/manifest.json
observed 81c3e025502c3e71f23de09b9410d06e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:19.705233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091083/publication.md
observed 3c79cb6cfefef7e9ec59d5e5bd63b5a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:19.690481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091083/publication.txt
observed 45469c279797110be4cba5c1e74465cb...
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.