OpenTechnical

OT-2026-000081478

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented after 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-2026-000081478) never changes.

Identity and time

Publication numberOT-2026-000081478 · never reused
Internal UUID01a0ae96-f375-7e25-8c16-4f1e0dcddee1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081478
StatusPUBLIC

Content hashes

Canonical text911f9e4e50f5bba9184bc0697af296197d5434ef00d81fc091b337a2a62f92ff
Markdownb7051aac86bf51673c65b630cc6572c742c837c2951c1e8ce51fabd1045fc38a
PDF
Publication page65f17e017eac2aab013f44b83752a6d3bbf6764063ab44fe1be01df6cda5a4b4
Manifest9a41150424e8108c2af840024b3448f66d99defa33f4e71cf45fb076af0e05dc

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
Signaturez8B7Wk2gU+2oNsZJ4Bksn5D5+HqFVHHq0tjnqS369uRq48qTKKzwlK/d3DuGQkwLNYsnZiQPiwdT47qSkutZCg==
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

2026-09-17T10:01:38.698381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081478
observed 65f17e017eac2aab013f44b83752a6d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.680565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081478/manifest.json
observed 9a41150424e8108c2af840024b3448f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.664246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081478/publication.md
observed b7051aac86bf51673c65b630cc6572c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.646425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081478/publication.txt
observed 911f9e4e50f5bba9184bc0697af29619...
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.