OpenTechnical

OT-2026-000097783

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000097783) never changes.

Identity and time

Publication numberOT-2026-000097783 · never reused
Internal UUID01a0aea1-92f5-76c1-ad29-c292145d1bc1 · 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-2026-000097783
StatusPUBLIC

Content hashes

Canonical text7456fcf9c629e488dbd1ff3790deac963637c0926844b5fa951fefe7100411d2
Markdownefc9b0db19dad687fcaca413de861f9e56573fe7577a23736b2aa45007fd94f6
PDF
Publication pageed787bd9ec6d7f47e56d856ebefbf64be11929b76a3bb9783001d575b392ff82
Manifest59a37bb5b9d37680dda640922464545aca98ae86274141d2a41e5a9a098838f6

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
SignatureO9tom7GCGpjFHNUTJsAVPdg/NRro8YCtZwqw7QybVeUdLBvjDHUMbluf90lZMHd8MTneElnUXjH3gm9LNdUDCQ==
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

2026-09-17T09:32:51.817621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097783
observed ed787bd9ec6d7f47e56d856ebefbf64b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:51.800137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097783/manifest.json
observed 59a37bb5b9d37680dda640922464545a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:51.780359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097783/publication.md
observed efc9b0db19dad687fcaca413de861f9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:51.674149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097783/publication.txt
observed 7456fcf9c629e488dbd1ff3790deac96...
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.