OpenTechnical

OT-2026-000098154

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000098154) never changes.

Identity and time

Publication numberOT-2026-000098154 · never reused
Internal UUID01a0aea1-e963-7bdf-882a-ee511f1d3dde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098154
StatusPUBLIC

Content hashes

Canonical textbd4e97ceb335855a4967495520d58ba828665b8d68ee76a299cfae2355968c3d
Markdowne09b22a73fafef5169937d94fa2b442198059f45e3810e2b13017a69689e4bb0
PDF
Publication page38c941fbdc4cd9db06eb96969db3b88dc8120bbf3308f63fb62d4b75be42bc8f
Manifest71d19abbf85cc765af4997d0992e5316798757864c0c36cf89d7af4800232923

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
SignatureLBZ8Cr6xKUE2eKDcEbIgSoW5v7EB72NIxxh5y/B2fN4wZYlfN2DfRulo0B+JyJ0rm7dde7yuYGh35DLG1LCzBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:18.212032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098154
observed 38c941fbdc4cd9db06eb96969db3b88d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:18.195519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098154/manifest.json
observed 71d19abbf85cc765af4997d0992e5316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:18.178084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098154/publication.md
observed e09b22a73fafef5169937d94fa2b4421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:18.159500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098154/publication.txt
observed bd4e97ceb335855a4967495520d58ba8...
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.