OpenTechnical

OT-2026-000058575

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000058575) never changes.

Identity and time

Publication numberOT-2026-000058575 · never reused
Internal UUID01a0ae88-f39c-75be-aded-0ef7f1a9fca1 · 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-2026-000058575
StatusPUBLIC

Content hashes

Canonical text11e379580eb2f30d6b5f06d7f886c2f74d0ca3b9598afed3069782476507a1b0
Markdowna93ff2d6fe6cc7f5588351e3cbe87b52022277c4670c4a83e2315e72591cd4ac
PDF
Publication page252a2ee587271e498c845cf5a1acec0e2d5e15c14d5aa66693a0cfa914d9b43c
Manifest91288165cc088bfc104e9cfe148c7ea0c055b82fe46eb0b8439bf5757955a59c

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
SignatureSawSDCQwK1+UwxpU+qJWli8Q+pfOMFeeMFFBu2baskbEVqS9XS8y3U5GWICl9jFMy4ArdrAjM11DsOYGXSF2Dw==
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

2026-09-17T10:47:03.712759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058575
observed 252a2ee587271e498c845cf5a1acec0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:03.694336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058575/manifest.json
observed 91288165cc088bfc104e9cfe148c7ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:03.676424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058575/publication.md
observed a93ff2d6fe6cc7f5588351e3cbe87b52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:03.659331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058575/publication.txt
observed 11e379580eb2f30d6b5f06d7f886c2f7...
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.