OpenTechnical

OT-2026-000101777

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, pulsed blow-off after 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-2026-000101777) never changes.

Identity and time

Publication numberOT-2026-000101777 · never reused
Internal UUID01a0aea4-0e17-707c-a91c-c9fad81834b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101777
StatusPUBLIC

Content hashes

Canonical text9b7394622669b5560a2d9d6cad0c28513e01f6d8c477e4c57158b5417d27779a
Markdown4a35fb0fe8c7bc4d9bdfa540047e32a4e44d96e04bbc511b830c688adea3b189
PDF
Publication page91c1f5318a6bd8a066f781d9906f734f56750ef92dadf7b8ed5fc62aad1f167a
Manifest7dd2cdc099142d1b8845fbdd35a7adf660572b8b681de5db4c0e2ce5c1607869

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
SignatureNwTZ0iKQzbD5FEjYiReM5IN/kiPfUOHHDI0fKZv3w/KRnyDmxiRv+4noC3TJyl393XVXZNgtREiOlsEabLXvCg==
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

2026-09-17T09:26:16.300942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101777
observed 91c1f5318a6bd8a066f781d9906f734f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:16.283149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101777/manifest.json
observed 7dd2cdc099142d1b8845fbdd35a7adf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:16.265717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101777/publication.md
observed 4a35fb0fe8c7bc4d9bdfa540047e32a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:16.246722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101777/publication.txt
observed 9b7394622669b5560a2d9d6cad0c2851...
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.