OpenTechnical

OT-2026-000063041

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000063041) never changes.

Identity and time

Publication numberOT-2026-000063041 · never reused
Internal UUID01a0ae8c-94a9-75e6-98c4-952c29aafcf1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063041
StatusPUBLIC

Content hashes

Canonical texte4f950036f8844370877d0cc613d837352906148061c47c73068746b1913636f
Markdown74af926bec02917d11a1faa7134310d674c4c54dc07cef06be7f3e7155f6261c
PDF
Publication page2b18f32fb0728dc1c7de438a4a71f7fbf5fd76e603a3fc43323f22ba701b8210
Manifest1a06638b32dac8e8802d5a30eec0f6c43d72e7109d395ae1b91bfc13fdca6709

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
SignatureEM4ydZsWjUPs4yStf9XyxXHil30PeDg3aiXzh9I4visVtXA2E48i0fZFG7zRphj4ap/LKfrPa4yPi4iGM4eBCw==
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

2026-09-17T10:40:42.234406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063041
observed 2b18f32fb0728dc1c7de438a4a71f7fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:42.214330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063041/manifest.json
observed 1a06638b32dac8e8802d5a30eec0f6c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:42.194439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063041/publication.md
observed 74af926bec02917d11a1faa7134310d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:42.175115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063041/publication.txt
observed e4f950036f8844370877d0cc613d8373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:47.917820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063041
observed 2b18f32fb0728dc1c7de438a4a71f7fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:47.901181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063041/manifest.json
observed 1a06638b32dac8e8802d5a30eec0f6c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:47.884694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063041/publication.md
observed 74af926bec02917d11a1faa7134310d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:47.865424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063041/publication.txt
observed e4f950036f8844370877d0cc613d8373...
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.