OpenTechnical

OT-2026-000037940

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, 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-2026-000037940) never changes.

Identity and time

Publication numberOT-2026-000037940 · never reused
Internal UUID01a0ae77-f88a-7dee-b7c5-670893838c2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037940
StatusPUBLIC

Content hashes

Canonical textfb79b70f5207dc8e4d543416b5610a9683ec903fe9da8815f11aafd6ce175084
Markdownd4c7d1bc4ff7e09de67ff72bab5122e4cd146c71a8e4154723004d1972a607c9
PDF
Publication page3e7a7febcb0d899dffb769d8bb28d16f96227f24fd17bc901ff2eea789593e00
Manifestd3a11e0e71ef8bd7a6b017eb0cf513cf9e249f9dff7376e835c40c0adfbc710e

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
SignatureyDxdNgEedkPg17NB/G7adawTAzMEvY4Og4hHhWw49/vP2xgwoG+UozIKD6XCe76a3dTqKJ3IhkXJ00SEk9KhAw==
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

2026-09-17T11:23:13.463867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037940
observed 3e7a7febcb0d899dffb769d8bb28d16f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:13.445132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037940/manifest.json
observed d3a11e0e71ef8bd7a6b017eb0cf513cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:13.426915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037940/publication.md
observed d4c7d1bc4ff7e09de67ff72bab5122e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:13.408371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037940/publication.txt
observed fb79b70f5207dc8e4d543416b5610a96...
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.