OpenTechnical

OT-2026-000102234

Publication integrity record

Foam pad 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-2026-000102234) never changes.

Identity and time

Publication numberOT-2026-000102234 · never reused
Internal UUID01a0aea4-50f3-7ce6-8b67-898fe6572495 · 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-2026-000102234
StatusPUBLIC

Content hashes

Canonical textfec8b1f17d54e283fa3336cbeaa06c0445d8f3d22fb0d72dbf1ec5d0f3f1364a
Markdown3f32599118aaddb94f909611268f22fe9edd5da42aae3bfae8f6e60aa9b3dbcb
PDF
Publication page94530950100a93de71d7651d2203d6ff07be384edfaf739a7fe18746e9d4dab3
Manifeste4203e05d519245e45ce5ffb6b1eb2fd2cb43659d1ff816606fa471d6239e482

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
Signaturec6jhy2jZvb/tUdrzWHv7sQj3pvB3IQvQqcIri6tvmdT55fN09kdsrQUJHFVUM7BFgJpcIVhvCyXngWVCU9vgCw==
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

2026-09-17T09:25:24.842449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102234
observed 94530950100a93de71d7651d2203d6ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.825050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102234/manifest.json
observed e4203e05d519245e45ce5ffb6b1eb2fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.804760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102234/publication.md
observed 3f32599118aaddb94f909611268f22fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.787036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102234/publication.txt
observed fec8b1f17d54e283fa3336cbeaa06c04...
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.