OpenTechnical

OT-2026-000030742

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000030742) never changes.

Identity and time

Publication numberOT-2026-000030742 · never reused
Internal UUID01a0ae74-3fb4-72b6-99bb-5fdeec80d7c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030742
StatusPUBLIC

Content hashes

Canonical textccb8ec56e8f73bcaefed0cef1824768e323c5497e8c90025d6b05a79467db6bb
Markdown40d1f411eebe97cd03a914ce7efbdb4b9a79d972a86f6328f8a00b0478730b85
PDF
Publication pagee877696ea766ce8c95a6d0305a5d7f11c3706812adfb1a09f93356d0f2db6242
Manifest9781c419ea8700b616d8e8c59b2ab14e462f7bb333a7abc8c05ae02e44b5f198

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
SignatureRrI8+GuTHQuTTPFVL6Mcz2roIjUvpNi3NY1E+aeXSl6T7d9AnozgPmriM8WromFFql3H9pqxywDQD/tUyo2LCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:40.753455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030742
observed e877696ea766ce8c95a6d0305a5d7f11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:40.734999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030742/manifest.json
observed 9781c419ea8700b616d8e8c59b2ab14e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:40.709533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030742/publication.md
observed 40d1f411eebe97cd03a914ce7efbdb4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:40.691589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030742/publication.txt
observed ccb8ec56e8f73bcaefed0cef1824768e...
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.