OpenTechnical

OT-2026-000017311

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pulsed 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-2026-000017311) never changes.

Identity and time

Publication numberOT-2026-000017311 · never reused
Internal UUID01a0ae6e-76c8-787c-8881-f60beb290e6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017311
StatusPUBLIC

Content hashes

Canonical texte29770821674cf296f95c0eb86f52bc16373e66af0b441098c32f1f0b00e46ea
Markdown6747fb74db723ebc1b47bff1faaf99aba35156c00a21f5db85b873a4caca7d77
PDF
Publication pageab6dd6fe76a76fca04b202fcee7eb572436315f528b3983dc1def42a355647a6
Manifest42860ec0c99e7af86499dba444f53d9f7e6bdeed9b9632b93ee69cd3ac1b2599

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
SignatureeqhcAsdSTMf9mEQrb7ZA8MiswrjOw2MfH9HBrrnn3hDRxsAoE6Tyb3Hga9wEpwkjdu6H9548cNIE8PGU+rkHBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:24.850996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017311
observed ab6dd6fe76a76fca04b202fcee7eb572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.833381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017311/manifest.json
observed 42860ec0c99e7af86499dba444f53d9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.816461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017311/publication.md
observed 6747fb74db723ebc1b47bff1faaf99ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.798267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017311/publication.txt
observed e29770821674cf296f95c0eb86f52bc1...
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.