OpenTechnical

OT-2026-000029989

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000029989) never changes.

Identity and time

Publication numberOT-2026-000029989 · never reused
Internal UUID01a0ae73-ac49-71b0-8d1e-9b337607507f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029989
StatusPUBLIC

Content hashes

Canonical textbe21be023af592a9452e19540f320a71fbaf3849eba24f913e8f85c21bf30de0
Markdown3b14ac0e4645c84b6cb22fb62cad29c680d46b7bbce405cf2e802276fb10ceb0
PDF
Publication pageded8273320b3a055abb48727889114399610def16de25fcee1f5645b36529d46
Manifestdce5c711b225bdfb4fc6d1204e064844c4d66f0cb9aae846fd265588a1b64d54

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
SignaturemHNhm0y1IIDjkZitlxr3nnEYYCwDccxwcns24r/FwA+YR0fD4EJlbP3yYuOVaGAe083Avus3Hru2fSR/dtAABw==
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

2026-09-17T11:38:42.894944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029989
observed ded8273320b3a055abb4872788911439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:42.874575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029989/manifest.json
observed dce5c711b225bdfb4fc6d1204e064844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:42.856509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029989/publication.md
observed 3b14ac0e4645c84b6cb22fb62cad29c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:42.837841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029989/publication.txt
observed be21be023af592a9452e19540f320a71...
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.