OpenTechnical

OT-2026-000038519

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000038519) never changes.

Identity and time

Publication numberOT-2026-000038519 · never reused
Internal UUID01a0ae78-2d53-7d27-977e-0e164187e055 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038519
StatusPUBLIC

Content hashes

Canonical textea89e9ba3d93b42487164a83cd9c9795748e8588371c90e12a2a633a1c7faa2f
Markdown2a8ad2b7c9eb583908f3cc2253c29988ff4728e8086ddbfd2df04e13e6a6bafe
PDF
Publication page9d2dde21142db059b199bb2882f1e4314caf8925a868423670824c7c9330bf31
Manifest0a52767be66a4007e0b140762494a3622ed5280018b0b5b918d1076834bd4c5f

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
Signature2ahkUk+eCa9KuXHE42AW8EEpWhz3sJveLMI8YZKd/kL5HhV4fRk3AFES/9AZ85W6WOqi3SX6i69UsLn3c6aKDA==
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

2026-09-17T11:22:46.389177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038519
observed 9d2dde21142db059b199bb2882f1e431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:46.370633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038519/manifest.json
observed 0a52767be66a4007e0b140762494a362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:46.353939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038519/publication.md
observed 2a8ad2b7c9eb583908f3cc2253c29988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:46.333730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038519/publication.txt
observed ea89e9ba3d93b42487164a83cd9c9795...
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.