OpenTechnical

OT-2026-000006464

Publication integrity record

Vacuum cup gripper, four zone face, two stage ejector, contact triggered, vented 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-2026-000006464) never changes.

Identity and time

Publication numberOT-2026-000006464 · never reused
Internal UUID01a0a95c-2cd2-79c3-8831-a6bb74d70576 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:36:25.429900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006464
StatusPUBLIC

Content hashes

Canonical text8c8b4dbcbf43a953834622fd76c4a95f080d35ea5feb1b633ab53c5bc99be53a
Markdown4d08fddb0bc4b702669f86076d1ae830e27c31c68102be1c02157dda3b4b19bf
PDF
Publication paged487c11f8d0515640aed357acc218eb2b1f1a60b91b31e63e4552fea25588feb
Manifest116f5c3e05129d6cb7d14a494593c366e11f47d2c2bc1cc05257b7058a03f1e6

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
Signaturehve6pwTWsd++pL1bu6hAELMju+fgcUb8nnPSi78XuKCAaUj5bpboN8TBZvU6Ed600WVxnF9DaHxsXPQDN3VSAA==
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

2026-09-16T08:40:14.654951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006464
observed d487c11f8d0515640aed357acc218eb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:14.641987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006464/manifest.json
observed 116f5c3e05129d6cb7d14a494593c366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:14.624199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006464/publication.md
observed 4d08fddb0bc4b702669f86076d1ae830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:14.488546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006464/publication.txt
observed 8c8b4dbcbf43a953834622fd76c4a95f...
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.