OpenTechnical

OT-2026-000084283

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, sustained 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-2026-000084283) never changes.

Identity and time

Publication numberOT-2026-000084283 · never reused
Internal UUID01a0ae98-5b61-7c67-87d7-991f6bc7cbc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084283
StatusPUBLIC

Content hashes

Canonical texta20a02da2a747e3e8e81de3f2f3293252b865383936aabbc08689ef04af7674b
Markdown0e0036ba6fcc472210e40c9399763cd28af1807f8990cc670afda6e6750aa8af
PDF
Publication pagef01bfcc5e2579c5900c94a699ac9d06ad375efa192e9fb4aa80887db15c8914c
Manifestbbbe2e9ea4a4814a22e78b26c84ecaf0220603472c8087ff5295d85b9d1870c8

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
SignaturejNUzh8UT91cfWFK3eB49UG3jD6HdGGmDSb9ZsqPTT/j8qVLFeMcjdV5fFdgLKqHpoY16hNKXDOY4yAjAlU2ZAg==
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

2026-09-17T09:56:10.553907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084283
observed f01bfcc5e2579c5900c94a699ac9d06a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:10.535112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084283/manifest.json
observed bbbe2e9ea4a4814a22e78b26c84ecaf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:10.518664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084283/publication.md
observed 0e0036ba6fcc472210e40c9399763cd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:10.498458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084283/publication.txt
observed a20a02da2a747e3e8e81de3f2f329325...
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.