OpenTechnical

OT-2026-000074452

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000074452) never changes.

Identity and time

Publication numberOT-2026-000074452 · never reused
Internal UUID01a0ae93-717a-7021-9f11-e84a2d179ae9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074452
StatusPUBLIC

Content hashes

Canonical textc3482f1f7b32dc789b18b0a3d0d30153c9355fc0c5c8a0d7738c95a17f8ad56f
Markdown37fd90982619117d217d48856ed63de887c84f6653e9b4e8f519d1379cd412b5
PDF
Publication page8da62d0b0bf966390caa530cf752f3cfdda59856bd966d9bfb586b198bf6f433
Manifest852fee793b0ee8c5d3d786b2b35a76210f472fdfcd8ea080d5f0c777ced7d142

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
SignatureQCtN9qnsrop91NuVDN8KpHrqRNmKSWfN0ktxX0s/3j7QGLsnS1vXoA9Kyw8hqAGka9JhtiL89oBjCtqlWi+EDQ==
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

2026-09-17T10:19:24.211727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074452
observed 8da62d0b0bf966390caa530cf752f3cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.193456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074452/manifest.json
observed 852fee793b0ee8c5d3d786b2b35a7621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.175026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074452/publication.md
observed 37fd90982619117d217d48856ed63de8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.152627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074452/publication.txt
observed c3482f1f7b32dc789b18b0a3d0d30153...
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.