OpenTechnical

OT-2026-000012304

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000012304) never changes.

Identity and time

Publication numberOT-2026-000012304 · never reused
Internal UUID01a0ae6d-39f5-7133-a613-5934fa862d0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012304
StatusPUBLIC

Content hashes

Canonical textecf81a4b52ace2ad20f043046689211d6cbaeb58b3f4f3943f2f314994b9a14b
Markdown804e5354aa249f45b9f281961779d53965b27c2e5ac63711fa37afacc6ec90c2
PDF
Publication page72b3b5065b3b668ed13d29c25cdb0faf10daaaad88dd16be0f210ee879aba831
Manifestacfbfbb182115922bb522e04967dadc880ec3dea503b80e40c4b1b3b6a450649

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
SignatureVRh9ID6Nfycb3jySe8xfXhN/VgU7wELhjGtyftY22WOZ8yn0sRJgEyHDIWWBHO0L9fhgkGM5lNccbsXyFLRECg==
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

2026-09-17T12:11:14.882704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012304
observed 72b3b5065b3b668ed13d29c25cdb0faf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.866286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012304/manifest.json
observed acfbfbb182115922bb522e04967dadc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.849138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012304/publication.md
observed 804e5354aa249f45b9f281961779d539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.831891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012304/publication.txt
observed ecf81a4b52ace2ad20f043046689211d...
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.