OpenTechnical

OT-2026-000039138

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000039138) never changes.

Identity and time

Publication numberOT-2026-000039138 · never reused
Internal UUID01a0ae78-9673-7f61-99c5-f3d28307ca39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039138
StatusPUBLIC

Content hashes

Canonical texte0d83eec440c032e257a99a79fa2fa9d3caece0a4383289ce21f28e2cd32dd94
Markdown457706def39b318d5f08c21b8e02dc52437fe608ffe3149386fc552c122964e4
PDF
Publication paged2303d146fa652d9195c576aa94d6f6d2928bccccdc781708e7db24a13bc9e47
Manifest67600ba76ec6f038f1e6b68407749bc3c086fa8f50976d094d45a46db9571413

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
SignaturefA+2OIGKycd2X4RWT5bV9bUmMigEeDS1FsylqvtYVIMXVsiGiYjiOmjctRwWL7JFOOn4yjWd6H8GEber+ewkCw==
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

2026-09-17T11:20:38.706727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039138
observed d2303d146fa652d9195c576aa94d6f6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:38.689014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039138/manifest.json
observed 67600ba76ec6f038f1e6b68407749bc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:38.669709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039138/publication.md
observed 457706def39b318d5f08c21b8e02dc52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:38.651084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039138/publication.txt
observed e0d83eec440c032e257a99a79fa2fa9d...
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.