OpenTechnical

OT-2026-000102238

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000102238) never changes.

Identity and time

Publication numberOT-2026-000102238 · never reused
Internal UUID01a0aea4-50f3-7036-9d61-113d72b64e7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102238
StatusPUBLIC

Content hashes

Canonical text5bd360e69e55c3eb7e07f83165bb3d307ed3eb8c936cdb40ed549114f912d8cd
Markdownf17b9d2f25427c5768a7c2128dcfd63e8af1809023c71773d8be811ef73636ba
PDF
Publication pagee635dc766869786a13769d306b87b050f5e3d07d102be4d3a1d74697203b8b0a
Manifestd78c4304143cb608f4df178ef83b70a4f272253ff5f4874d0dfef804add9ca60

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
SignatureuohxLh+3QwhYw0B8eXny7evTiSpXpG4gUrRzafBKGuFJMQqZwn7BJtgiPSofNgk29lFzsCaQbcn28AsG/G6GAQ==
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

2026-09-17T09:25:25.127290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102238
observed e635dc766869786a13769d306b87b050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:25.110066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102238/manifest.json
observed d78c4304143cb608f4df178ef83b70a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:25.093187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102238/publication.md
observed f17b9d2f25427c5768a7c2128dcfd63e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:25.075626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102238/publication.txt
observed 5bd360e69e55c3eb7e07f83165bb3d30...
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.