OpenTechnical

OT-2026-000099905

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000099905) never changes.

Identity and time

Publication numberOT-2026-000099905 · never reused
Internal UUID01a0aea3-1473-74c5-a467-f37961a65dff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099905
StatusPUBLIC

Content hashes

Canonical texteab0ffb1e7f17eef3e2c7d8e05809321cb03d70a64814e3b4dc9b4572695cced
Markdownff175f6e39eb6220edf31868e3db0cf04f93be2c91771de9fb84e73dd759e9a3
PDF
Publication pagea1e8c5bd3b649501d27edf65f160f18cc16d4ccd6023815dc92acd501a797d30
Manifest9b7ea7c012fabf9933063bd33a4a38d289941c14bae75c62ac3f664b0973fb69

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
SignatureTOftXajlOzkaJKtouFatO3fry09ojp2cThSzdAEbqCknxqGGhq7gYDSwnt/hGcC7ihdxYq+nIcHzHIKlvwuBDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:32.585191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099905
observed a1e8c5bd3b649501d27edf65f160f18c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.564680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099905/manifest.json
observed 9b7ea7c012fabf9933063bd33a4a38d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.545691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099905/publication.md
observed ff175f6e39eb6220edf31868e3db0cf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.528367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099905/publication.txt
observed eab0ffb1e7f17eef3e2c7d8e05809321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.267674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099905
observed a1e8c5bd3b649501d27edf65f160f18c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.249734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099905/manifest.json
observed 9b7ea7c012fabf9933063bd33a4a38d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.233139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099905/publication.md
observed ff175f6e39eb6220edf31868e3db0cf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.216448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099905/publication.txt
observed eab0ffb1e7f17eef3e2c7d8e05809321...
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.