OpenTechnical

OT-2026-000039749

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000039749) never changes.

Identity and time

Publication numberOT-2026-000039749 · never reused
Internal UUID01a0ae78-d8d5-78e6-95fd-bdf240426b4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039749
StatusPUBLIC

Content hashes

Canonical text97fc1fc98491988e74bfc1562ec0964314257ece21069e9b6426a6d6a5601f86
Markdowncc11b53ea7507860ddcb6bfe7e454d597ee31d4230c99a41f0037160f580aa85
PDF
Publication pageb10c85a88ad077608c2b5c39e7992ba58ef5215a7f9ef911a02add92593f488e
Manifestdf7414fbc033e2e34e99cdadbb0f549885285626c6c1d67778c36f8b3ac56656

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
Signature00rATq1YDSFhv0RWkrGk5f/6F9K+tHeyPyomfgRlRtCU2Op2aCbYcuYnq+ozfg2QjKq2E1qTbdWmfOZJtgMjBQ==
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

2026-09-17T11:19:57.847590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039749
observed b10c85a88ad077608c2b5c39e7992ba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:57.828732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039749/manifest.json
observed df7414fbc033e2e34e99cdadbb0f5498...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:57.811304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039749/publication.md
observed cc11b53ea7507860ddcb6bfe7e454d59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:57.790946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039749/publication.txt
observed 97fc1fc98491988e74bfc1562ec09643...
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.