OpenTechnical

OT-2026-000057546

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000057546) never changes.

Identity and time

Publication numberOT-2026-000057546 · never reused
Internal UUID01a0ae88-2693-7272-89d8-fc2fb264de69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057546
StatusPUBLIC

Content hashes

Canonical text209ab1c7eda298e121c7c948c59b48e211e25704f5845273ca31db8c0be220f5
Markdownfd6b0a292d601127e93f4cbfb4b5d9c64c24c6ca0a8670903c6a7fb7064cb82f
PDF
Publication pagecda4c4abf60a3c3fe447d8c2a1b865771f8d5edaf1a525a901c1bd93cf4e995a
Manifesta1d4e540fe26da8d5d84597889564a087d23e720b13adac46c16851e07740877

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
SignatureMIJPlAOBDUXnWQsL24m/HpEmSCPd2CI/HOnU8TXVpy6kmQnt1zKZI4205SEjE8JSMEk1hbGEcMJGLOpBXMFCAA==
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

2026-09-17T10:48:05.141241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057546
observed cda4c4abf60a3c3fe447d8c2a1b86577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:05.123627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057546/manifest.json
observed a1d4e540fe26da8d5d84597889564a08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:05.107476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057546/publication.md
observed fd6b0a292d601127e93f4cbfb4b5d9c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:05.090205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057546/publication.txt
observed 209ab1c7eda298e121c7c948c59b48e2...
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.