OpenTechnical

OT-2026-000017843

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000017843) never changes.

Identity and time

Publication numberOT-2026-000017843 · never reused
Internal UUID01a0ae6e-96fb-739e-a287-e053e60b9245 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017843
StatusPUBLIC

Content hashes

Canonical text0f71f794194a6b283aa9413323f8e469faba21793aa6181f250ce2992a3fae96
Markdown969e7e1af067583e68b39c183a557ab121ebe10ea97d2dc3c6b10946ba35693a
PDF
Publication page11e7add036e353614ac5b3b58b0ddf4d7360d5fde520878bb5c072bb063d4e13
Manifestef8c895035734ecd88165b00173c6e72cf1afa0f03dbe7ca66021d505722bd7f

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
Signature6TG9x8hMj5KBrlnbXqmIDvMAg7tdYqaCbLrafxfP8xCXVzAA1NLpPQSXiaLwdisFo8UMU836Md1hSRhhqjVnCQ==
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

2026-09-17T12:01:49.314685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017843
observed 11e7add036e353614ac5b3b58b0ddf4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:49.297699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017843/manifest.json
observed ef8c895035734ecd88165b00173c6e72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:49.279822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017843/publication.md
observed 969e7e1af067583e68b39c183a557ab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:49.260009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017843/publication.txt
observed 0f71f794194a6b283aa9413323f8e469...
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.