OpenTechnical

OT-2026-000006568

Publication integrity record

Vacuum cup gripper, two outlet manifold, ejector fed, pressure verified, polyurethane cups, oval form

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-2026-000006568) never changes.

Identity and time

Publication numberOT-2026-000006568 · never reused
Internal UUID01a0a95f-cca5-7336-8fc9-db88930a8522 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:40:22.951585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006568
StatusPUBLIC

Content hashes

Canonical text215c9e158ef97df10e852e5799a95a8aa399853130796e4f764944fc1d1f50e6
Markdown5ec9bc88bd56f712b452524bd059da9189c21249d02c178971e78e5d14749441
PDF
Publication page82c6fce8345e7b9a03d972d7611f7b176ec0289d5bd669c1967377b7caefe461
Manifest997e433d966b96fb0df74674ad00b355d43d4812cdd3c1408fbca1cbdb143b5c

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
Signaturejw4Vbpw84xOja2AVgtzzBuYoy6xFd3ZyKX9+19x8ymI6MUQT+91es7C94SZb2+fLbs1ekEO3inArv8cMfk36Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:29.970636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006568
observed 82c6fce8345e7b9a03d972d7611f7b17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:29.957028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006568/manifest.json
observed 997e433d966b96fb0df74674ad00b355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:29.943511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006568/publication.md
observed 5ec9bc88bd56f712b452524bd059da91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:29.929872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006568/publication.txt
observed 215c9e158ef97df10e852e5799a95a8a...
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.