OpenTechnical

OT-2026-000099906

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-2026-000099906) never changes.

Identity and time

Publication numberOT-2026-000099906 · never reused
Internal UUID01a0aea3-1473-7409-81cd-d75f95f581ae · 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-2026-000099906
StatusPUBLIC

Content hashes

Canonical text858900e6c1d4d67e126a7a07bfe99b8be2c9c3929fc6b3b10379159bc1703595
Markdownaaff4843241a8ccb5508705d81b3f782c24e34e3447fdd2748cd562a66ad666a
PDF
Publication page291647a02e61bd2dd1b39f5db9874666a68c1bae1e47a6881b47fd2256540e46
Manifestfcf1f618a60f70138b01b4598f559e9f336132e0d2bafe54cb51efffa7f1753b

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
Signaturepd2Aii043nQ3/3BacpKvRpjWQoEtB/3yKJRc01cxGIZIgl8WYDJVlm/izITFMjf0lhppLzir98jP3teKr0mgDw==
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

2026-09-17T09:30:32.666396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099906
observed 291647a02e61bd2dd1b39f5db9874666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.647207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099906/manifest.json
observed fcf1f618a60f70138b01b4598f559e9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.627939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099906/publication.md
observed aaff4843241a8ccb5508705d81b3f782...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.605793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099906/publication.txt
observed 858900e6c1d4d67e126a7a07bfe99b8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.350398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099906
observed 291647a02e61bd2dd1b39f5db9874666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.331293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099906/manifest.json
observed fcf1f618a60f70138b01b4598f559e9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.309981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099906/publication.md
observed aaff4843241a8ccb5508705d81b3f782...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.289524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099906/publication.txt
observed 858900e6c1d4d67e126a7a07bfe99b8b...
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.