OpenTechnical

OT-2026-000099900

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, 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-2026-000099900) never changes.

Identity and time

Publication numberOT-2026-000099900 · never reused
Internal UUID01a0aea3-1473-76f5-91bb-e1d23cf423b1 · 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-2026-000099900
StatusPUBLIC

Content hashes

Canonical textf8a225394ff64f9d6d0eca773a36874343788ad6065e3a4a1e796aa7bc159072
Markdowne5b14575c81e0c71dc893799ae47215862d1baa2b401881b56bac2a83079b860
PDF
Publication page9d1dd337dcdd87a2d7ac50ef925c9040e0f3e5037b5c71c9d9aca61245bf1f33
Manifest8142ae060366d5698e3601b24d472144d52fe48770775e5a6271418362781925

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
SignatureplgprnMjU9fu7rEbSFRr/6Z1LgxjXLeATNyHCQR0bURf5FPbcpI2PbE3RyLTFMHDhQWs7D8sDtWWhT3hJLE7Cw==
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

2026-09-17T09:30:32.121448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099900
observed 9d1dd337dcdd87a2d7ac50ef925c9040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.103414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099900/manifest.json
observed 8142ae060366d5698e3601b24d472144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.084234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099900/publication.md
observed e5b14575c81e0c71dc893799ae472158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.067290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099900/publication.txt
observed f8a225394ff64f9d6d0eca773a368743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.812537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099900
observed 9d1dd337dcdd87a2d7ac50ef925c9040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.795532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099900/manifest.json
observed 8142ae060366d5698e3601b24d472144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.771988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099900/publication.md
observed e5b14575c81e0c71dc893799ae472158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.753442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099900/publication.txt
observed f8a225394ff64f9d6d0eca773a368743...
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.