OpenTechnical

OT-2026-000029304

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained blow-off before set-down

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-2026-000029304) never changes.

Identity and time

Publication numberOT-2026-000029304 · never reused
Internal UUID01a0ae73-2aa1-7fbc-80ef-53c4d1a40366 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029304
StatusPUBLIC

Content hashes

Canonical text767dcad455d2d86ee56f9c5a65bf8536d63b3709d0871b95f680e23f4ac25fe0
Markdown113d020a9a3872a503753b59c839751efc568d5c07115b3e3990589b68cd3c9f
PDF
Publication page67279be73cfe11bad434f164f346bdb47dd12f02291dc31d20ba83eae6746bea
Manifest79307f7466f0478198963e906266aa5ad5130d8821d5bf3daa7a18e24166ab60

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
SignaturendgEpwsVFuQOVDpSW6jKvXBJkq0D3XsDVYaFvfbltuBkvHkoLZKYv2O0HCfivagHYQMGziibCw/o2lChDytjDw==
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

2026-09-17T11:39:56.599898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029304
observed 67279be73cfe11bad434f164f346bdb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:56.583148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029304/manifest.json
observed 79307f7466f0478198963e906266aa5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:56.566376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029304/publication.md
observed 113d020a9a3872a503753b59c839751e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:56.546840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029304/publication.txt
observed 767dcad455d2d86ee56f9c5a65bf8536...
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.