OpenTechnical

OT-2026-000084185

Publication integrity record

Four 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-2026-000084185) never changes.

Identity and time

Publication numberOT-2026-000084185 · never reused
Internal UUID01a0ae98-5b5f-7205-b9d1-f3fc34b1f5f8 · 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-2026-000084185
StatusPUBLIC

Content hashes

Canonical text7fc3d3faf44fae45eaa59fdc293aa7b66bff4f94b6ba64e0d8bd92bc7e479320
Markdownf8f89e47c119a602463d1ceaaf7d76d090cf4aadadb122343058023a7546e703
PDF
Publication page85a699bde13ca0df81632d9ee7d942bd73c23d26f630a65ef2a5510167c4a893
Manifest5598c8304b24729ef1476cfc86787dcf0082aaf19ceca1e0965dd04a4bb7ade6

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
SignatureO+/LAWqKeX94EwKtEzr12IzZ4TlNc/ouGJcGkww6AAtzttfBnotXIPOJvRMPRs6qZYJLfoN6IEci7/iTI+RCCg==
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

2026-09-17T09:55:51.140903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084185
observed 85a699bde13ca0df81632d9ee7d942bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:51.098531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084185/manifest.json
observed 5598c8304b24729ef1476cfc86787dcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:51.081589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084185/publication.md
observed f8f89e47c119a602463d1ceaaf7d76d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:51.040216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084185/publication.txt
observed 7fc3d3faf44fae45eaa59fdc293aa7b6...
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.