OpenTechnical

OT-2026-000006587

Publication integrity record

Vacuum cup gripper, four zone face, per zone isolation, pump fed, vented 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-2026-000006587) never changes.

Identity and time

Publication numberOT-2026-000006587 · never reused
Internal UUID01a0a960-7b91-712c-8b48-ebffc122231e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:41:07.732116Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006587
StatusPUBLIC

Content hashes

Canonical text64e0fbf4d38cb192e996768f589a48660b756762dc2a9f2b4a68bd5425a75e4f
Markdown3a2aa3c22118206d27c144be8708d66aebf5ef2f7450b737396fe65956fd2f1b
PDF
Publication page08a37e2611b6542c0cb40090c4d430039847bf6ff377be999b858d8d0f6daf87
Manifest72958cddbb920074f6c03f09cde0d9a627fccd972d3e1a4a31eb2fbb174607b5

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
SignatureCg79BHI6Fxh1+9h3H6gSQofUo079YyVfNQPjilePzEZ6pR9nNZ/CIufNcLyCg6Y9aI7WHGRhKLXJ/6eKBNA3CQ==
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

2026-09-16T08:50:27.992064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006587
observed 08a37e2611b6542c0cb40090c4d43003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:27.978797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006587/manifest.json
observed 72958cddbb920074f6c03f09cde0d9a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:27.965015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006587/publication.md
observed 3a2aa3c22118206d27c144be8708d66a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:27.951664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006587/publication.txt
observed 64e0fbf4d38cb192e996768f589a4866...
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.