OpenTechnical

OT-2026-000016287

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000016287) never changes.

Identity and time

Publication numberOT-2026-000016287 · never reused
Internal UUID01a0ae6e-2d11-7da1-901c-780fa77bbb27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016287
StatusPUBLIC

Content hashes

Canonical textab5b885502da63b330c3ea7e51a16a4002a48603153f174b13df4484947debac
Markdown3f75edd28dc65946f091b6d7c0052c5954e5543de018eec2c099d423689e0040
PDF
Publication page5ad11741297ffc676d59d669c86824b86da6ff6d19460b377b34a6573d758373
Manifeste022aa28809900fac4c09a51b7e0941b5c651d8be3664f3a6c06f9195144a9ee

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
SignatureRPrPpn21IEwXpHNjHEAoxQOhR/l6QPg+CkHw/K1uuOQcfqBwtZG9cZezE3liVrFWb7f2iNyIhWdA5Dt+OyzPBw==
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

2026-09-17T12:03:46.509031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016287
observed 5ad11741297ffc676d59d669c86824b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:46.491163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016287/manifest.json
observed e022aa28809900fac4c09a51b7e0941b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:46.472406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016287/publication.md
observed 3f75edd28dc65946f091b6d7c0052c59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:46.452753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016287/publication.txt
observed ab5b885502da63b330c3ea7e51a16a40...
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.