OpenTechnical

OT-2026-000058445

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented before 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-2026-000058445) never changes.

Identity and time

Publication numberOT-2026-000058445 · never reused
Internal UUID01a0ae88-f39a-7518-a59e-65de6ce25284 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058445
StatusPUBLIC

Content hashes

Canonical text205389949804ea3398dc7316831f16ff41dc08b536cdf3921f4635b1a3d298e2
Markdownb9721a765dd7d4359628efacf76bc1ceb8d6c5d0dfff25910030b8c083348c8d
PDF
Publication page2e75fed8955948308a32911e0f263ae54f61671e6262fbacb35955b63f8c9077
Manifeste189062a79089c58c403234fc86d95707bebbecc2758125daaf2f1cb1309fc50

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
SignatureJ6uzSrRUFfLe962beEtrLCt5CAtvP0KwCA/Ji+foiNJpOWbBNephzCm0rZzAKGhwvdym2nyWjjAHPbZO7NidDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:53.432147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058445
observed 2e75fed8955948308a32911e0f263ae5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:53.416253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058445/manifest.json
observed e189062a79089c58c403234fc86d9570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:53.400798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058445/publication.md
observed b9721a765dd7d4359628efacf76bc1ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:53.382516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058445/publication.txt
observed 205389949804ea3398dc7316831f16ff...
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.