OpenTechnical

OT-2026-000018979

Publication integrity record

Four cup vacuum gripper, four zone face, six 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-2026-000018979) never changes.

Identity and time

Publication numberOT-2026-000018979 · never reused
Internal UUID01a0ae6e-d522-762b-a879-5c60667ce5a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018979
StatusPUBLIC

Content hashes

Canonical text6d708f163a894427fa55e2779e9e394a2139741c6313a321153127da37b31dc4
Markdown8e1dbf161e53c1ea3ee8cd86f4762aca0a76fd08ae6f5c66a26739118171a281
PDF
Publication paged4893aea2480be100f5b369a891cd3a0341dd0871b3ded5598cb4324ad33b39b
Manifest4778ee5c4cad917448adf75f59ce3f49be9afa196c30e8cd3dc6ddf444f07fbc

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
SignaturetJh09uwMiJrcnlaCqgDy0nHgRxp4NZtnT5wj2H2pH/v7benv2ENkm4mJLHAR20e4wf70f0B8xTMrJAQ/AbgjAw==
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

2026-09-17T11:59:03.923017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018979
observed d4893aea2480be100f5b369a891cd3a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:03.905126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018979/manifest.json
observed 4778ee5c4cad917448adf75f59ce3f49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:03.872353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018979/publication.md
observed 8e1dbf161e53c1ea3ee8cd86f4762aca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:03.838580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018979/publication.txt
observed 6d708f163a894427fa55e2779e9e394a...
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.