OpenTechnical

OT-2026-000020036

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000020036) never changes.

Identity and time

Publication numberOT-2026-000020036 · never reused
Internal UUID01a0ae6f-1fb7-7b86-88df-1f2911509c91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020036
StatusPUBLIC

Content hashes

Canonical text433bebb541062575e3817418e573518daa5fb8a1437aef40168b62cf3a1a5f0a
Markdown98282de4a1781f15e2f0dc49d878421e758c5fd4ac5ebdb3613c4f34a99821ae
PDF
Publication page00c4a9c3e28cf7e2914119b6a86d0dabdc2dcfd06c2952877cefc125ed7b6314
Manifest522334fc50f38257b314a37742dd33aef3dcfc6f12968eb15da0a19bb0c45c28

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
SignatureFhYG0pJHFkggJq+25F00S8TXjDftC0xOwySYzvGV1Ewi98O5qmBvv1hiyM8LzKPjf4TbUFlOoNVWyVP5oRtrCQ==
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

2026-09-17T11:58:17.585224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020036
observed 00c4a9c3e28cf7e2914119b6a86d0dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:17.566161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020036/manifest.json
observed 522334fc50f38257b314a37742dd33ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:17.547383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020036/publication.md
observed 98282de4a1781f15e2f0dc49d878421e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:17.526485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020036/publication.txt
observed 433bebb541062575e3817418e573518d...
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.