OpenTechnical

OT-2026-000036859

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000036859) never changes.

Identity and time

Publication numberOT-2026-000036859 · never reused
Internal UUID01a0ae77-773e-762e-81fd-2d60d9fccd6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036859
StatusPUBLIC

Content hashes

Canonical textbfd9a9875b71b57d3c34149c48d493649633dd6fe0043618cae7cde0a847f6e5
Markdownc21208cded2122b0e83fa2030fcddb7add01be4f03466c19daf718200e326a1e
PDF
Publication paged626ef1266604a9a632163831a7fc315413504b86bfc95b143cc88740c93ec14
Manifest15ca9c0ead64130f65d5a0c7e95fef5996020151e5074d40e83e108664a62942

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
SignatureMHBY0r2Tqwi97ApKnpCjZ/6LMdAc0obTLvxVKgWeNOHR0KzlVbLW1yQtAmUyFGc1oNu2ce20SiLKPyQrHBtYBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:24:29.243969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036859
observed d626ef1266604a9a632163831a7fc315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:29.225694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036859/manifest.json
observed 15ca9c0ead64130f65d5a0c7e95fef59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:29.208322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036859/publication.md
observed c21208cded2122b0e83fa2030fcddb7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:29.190694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036859/publication.txt
observed bfd9a9875b71b57d3c34149c48d49364...
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.