OpenTechnical

OT-2026-000094934

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold 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-2026-000094934) never changes.

Identity and time

Publication numberOT-2026-000094934 · never reused
Internal UUID01a0ae9f-2dee-7ab2-8d7a-902a8c52fcb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094934
StatusPUBLIC

Content hashes

Canonical text6231d871e26a9a6c7c0af5f946aa96715011174930d5c490168f246c952af102
Markdown18557b0f41693a03c3bb748b83cad6652474e9b4c67bd72fa2eb8c8095837d36
PDF
Publication pagef8ed7dc68ab2253ef37c1e6bae04007ce56bca7a1371e11a25d5e682ca99984c
Manifest281982eb854e4ff97881657a6517f7e2e117c02d9e2998bfbc5f0e7cbe007234

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
Signature2EliH4P5fFWK6hsmkXLPu1pEktFjNPQ2uhHRxSC+mjEYFeIA50IGIsw2+UsUC9w7eVmUbnY4j4zAnG+8kwuXDw==
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

2026-09-17T09:37:28.038280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094934
observed f8ed7dc68ab2253ef37c1e6bae04007c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:28.019988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094934/manifest.json
observed 281982eb854e4ff97881657a6517f7e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:28.003642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094934/publication.md
observed 18557b0f41693a03c3bb748b83cad665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:27.986149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094934/publication.txt
observed 6231d871e26a9a6c7c0af5f946aa9671...
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.