OpenTechnical

OT-2026-000084281

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, sustained blow-off before set-down

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-2026-000084281) never changes.

Identity and time

Publication numberOT-2026-000084281 · never reused
Internal UUID01a0ae98-5b61-7c1b-9a7c-6e6b5da350d4 · 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-2026-000084281
StatusPUBLIC

Content hashes

Canonical text8fcb5d04bf3ac0e8576501dff323bdfad5fe55b2d846f1d92e04eea73d4f9609
Markdown757a8d03eb13143829cca00868c9a02cf5e6474c4c2316f0eb6c94b324cda546
PDF
Publication pagebf258987f3126d9314f387f8eefe857cd242e2538a93d7b820d0d6cccf0c5126
Manifest059d3a57f65599e1f3419a110bebb262cdf4288dd95b9b9d79a403efe9457ff1

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
Signature9jrwZkI12wsaxkQsRnQxcApGPIOTZHCIYDGMHVeBITsyi9g4JBLfHlCtzo+vYSid7+5i39O4kibDamS4SorQAA==
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

2026-09-17T09:56:12.093589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084281
observed bf258987f3126d9314f387f8eefe857c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.998538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084281/manifest.json
observed 059d3a57f65599e1f3419a110bebb262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.979593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084281/publication.md
observed 757a8d03eb13143829cca00868c9a02c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.961730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084281/publication.txt
observed 8fcb5d04bf3ac0e8576501dff323bdfa...
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.