OpenTechnical

OT-2026-000067063

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed 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-2026-000067063) never changes.

Identity and time

Publication numberOT-2026-000067063 · never reused
Internal UUID01a0ae8f-14fe-7967-8c5d-c273fd1442f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067063
StatusPUBLIC

Content hashes

Canonical textde3b43ede8775b9782fda35b80f4941c8d5b66a3b583cfcc5c253170411ffbad
Markdowne75df01ffde26ef197d52039f3357ff3c52642ff6a83775386e914f9fbb5c2ab
PDF
Publication page70d6cc6fd4184bafd75b3310800c327772ac7280977800c6d30d8be80acdc2ef
Manifest6028b63f923cd92927ad9ec225a1fc58b84444048bce913707a6e2ea4706ebc6

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
Signatureup9gMepkCg3zE6ES1/U2OyVY/R+C8feZgOLUeo5VjdROJTsoOgOe6ErjKeI1rR7cy3xCzGWRvgngPFt+F6hMDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:19.340047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067063
observed 70d6cc6fd4184bafd75b3310800c3277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:19.321948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067063/manifest.json
observed 6028b63f923cd92927ad9ec225a1fc58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:19.302587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067063/publication.md
observed e75df01ffde26ef197d52039f3357ff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:19.285792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067063/publication.txt
observed de3b43ede8775b9782fda35b80f4941c...
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.