OpenTechnical

OT-2026-000104121

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-2026-000104121) never changes.

Identity and time

Publication numberOT-2026-000104121 · never reused
Internal UUID01a0aea5-341f-7bbb-8944-8b1d3be250c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104121
StatusPUBLIC

Content hashes

Canonical text18291afb31bce31b9be73b9d5b935f8e8dfea78f0a198ed36ee6951a4933b0b5
Markdowna29e80d84ccf6093c98b0ef1fc3c828dcde43788002c190b651cb351b6aa94db
PDF
Publication page6e98052f1b3d86721e2c176ed1f013410fe3dfa81098aa38e435014dbcb2605a
Manifesteb3608821a9c27d829bcd5f39737a38a1d6379a113dd717506997b4fc5bb83f5

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
SignaturePyeJY3sjfBDcNq2Bl7mH/SVRtSj0DrulYSRFDYgdoPXMUxksl+eim5q63NEekXHVuC3W0h4hRqjk5fXr8kCKCA==
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

2026-09-17T09:20:11.957340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104121
observed 6e98052f1b3d86721e2c176ed1f01341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.938184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104121/manifest.json
observed eb3608821a9c27d829bcd5f39737a38a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.919779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104121/publication.md
observed a29e80d84ccf6093c98b0ef1fc3c828d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.902051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104121/publication.txt
observed 18291afb31bce31b9be73b9d5b935f8e...
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.