OpenTechnical

OT-2026-000070062

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, vented 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-2026-000070062) never changes.

Identity and time

Publication numberOT-2026-000070062 · never reused
Internal UUID01a0ae91-1861-7120-911c-252978f0f513 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070062
StatusPUBLIC

Content hashes

Canonical text31f7e208c3c842481a35c8a775031d23c8b081e96bf1a8a2251339def6924f16
Markdown3fca4916050d91dfe398771cc3586611c7713159d63b864beddfeeeb89605792
PDF
Publication page7c00a537813a6a414ff01c47ef4a6c3b86ea7a42ab0ca75258a2b2ad2d37ef70
Manifeste6f43868520890afa7a95c870d8d01d5786ac0f7d87e7b7577abe7a8bc9102c6

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
Signature2RzwHp8BeBbOYo02qkIZthoMABd2HeAJI4gtXprzRZnC86SAYEqM/et1jiKjx6LBVIO7kBi+lrWfwIz5UbkzDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:27:01.285402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070062
observed 7c00a537813a6a414ff01c47ef4a6c3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:01.266678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070062/manifest.json
observed e6f43868520890afa7a95c870d8d01d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:01.235598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070062/publication.md
observed 3fca4916050d91dfe398771cc3586611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:01.219209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070062/publication.txt
observed 31f7e208c3c842481a35c8a775031d23...
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.