OpenTechnical

OT-2026-000015768

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000015768) never changes.

Identity and time

Publication numberOT-2026-000015768 · never reused
Internal UUID01a0ae6e-0c4c-7ddd-8a57-a1e60542e5dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015768
StatusPUBLIC

Content hashes

Canonical text827e94c955c908f53b7f516bf830b6addd76b99c85d006643f2345a8f293a309
Markdown89c01e70db4617f93102c676934ef9ba5ac73d21cd779215071cbaa427a7f8c2
PDF
Publication pageb582feca102e28a81046c6572cba3f6e1e3de68b5e56b9f693c54e386a1577ad
Manifest222abe0a0135e347ab552d6b3ad58b675f9fb0291722e55ecc43e175caf4d2ee

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
Signature4O6MBDQ9PTy1CwNyS6Z6JoeKcOYdWTAiYFV0H99Xo/dqBnvTTBLDJbPfX88WuI6PrmQy2LPDNtod8vez+kPtBA==
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

2026-09-17T12:05:03.947402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015768
observed b582feca102e28a81046c6572cba3f6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:03.929447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015768/manifest.json
observed 222abe0a0135e347ab552d6b3ad58b67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:03.910887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015768/publication.md
observed 89c01e70db4617f93102c676934ef9ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:03.891500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015768/publication.txt
observed 827e94c955c908f53b7f516bf830b6ad...
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.