OpenTechnical

OT-2026-000102365

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000102365) never changes.

Identity and time

Publication numberOT-2026-000102365 · never reused
Internal UUID01a0aea4-8589-7af0-8149-7ace02c4da55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102365
StatusPUBLIC

Content hashes

Canonical text20bbc0c979e8161ed477c88dcab83fa784faee469a08fb12c0b01415b517f817
Markdown805f77e7bcc465b9d58c6468a07429ab719881008e8bebed5a4c7b27eeb92c3e
PDF
Publication page30c39296df816bd798dc31b532787832b3bd14d8bcd5e2392ec7528af402ea3e
Manifest7c70736d9dae08fbb3d31519c0a4e8cb8867f31d5af35eebaad45d0c9b933c54

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
SignatureY7iMNxGdzqIzJ8y1IxSuUVvts85alwbbxeXRJ8I8lT2G4SswqFKgwX4XFX2q/peSnkko0DeUA+r+DKCeP7vcCQ==
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

2026-09-17T09:23:42.204186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102365
observed 30c39296df816bd798dc31b532787832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:42.188110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102365/manifest.json
observed 7c70736d9dae08fbb3d31519c0a4e8cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:42.170830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102365/publication.md
observed 805f77e7bcc465b9d58c6468a07429ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:42.152554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102365/publication.txt
observed 20bbc0c979e8161ed477c88dcab83fa7...
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.