OpenTechnical

OT-2026-000064520

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000064520) never changes.

Identity and time

Publication numberOT-2026-000064520 · never reused
Internal UUID01a0ae8d-a461-7102-8e69-045d4973df81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064520
StatusPUBLIC

Content hashes

Canonical text1cba29ab9d47614a0c74551fddd1680215b760d78e064841a24ad6113a5872f8
Markdown0a269499bb1e6413b876538c9b242dd66538532594c133e9022766aa82b8f8b3
PDF
Publication page48d2f4035c56d23cdf39a140fb80bacdbdd5b622b13676f5e07a19b522ad2e55
Manifeste6a8802e14ce3b0023ccbf195ab64ecb9674001fa45f23456f2e5aa493d3479d

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
SignatureGLn0V+v2Yhlik8rpIEwb4+rUVIOjaaQa886RXkO/qPRt3UTpzE2981oAFcHpUngrMhYXGR6qfXhXUsDPoYY4Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:43.931578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064520
observed 48d2f4035c56d23cdf39a140fb80bacd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.913966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064520/manifest.json
observed e6a8802e14ce3b0023ccbf195ab64ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.895624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064520/publication.md
observed 0a269499bb1e6413b876538c9b242dd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.874466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064520/publication.txt
observed 1cba29ab9d47614a0c74551fddd16802...
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.