OpenTechnical

OT-2026-000081371

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, sustained 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-2026-000081371) never changes.

Identity and time

Publication numberOT-2026-000081371 · never reused
Internal UUID01a0ae96-f375-70c1-944e-eb748b5043e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081371
StatusPUBLIC

Content hashes

Canonical text8da2eb43fec6cc2ea0bedce22b196712f13ec94e2ffac7f0241b032d07fccae9
Markdownc1048b339602a8743e041d768b2fd7c444ad9e910b6ae1044e7acb76fba52d14
PDF
Publication page44984dafdcbaadc0f9fd6af71c6edfa3e033e51c158fcb98f7f4d2ee32c816c6
Manifestaadcf1b9f9d47045fc1126917a268051ce67f26fa33ca4fd6a916d59020a8f5b

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
SignaturezXjN2YY/RIcL7MgI1xrLH0HMd8fyHCiNRrMfBAArQYHGHqRK0pDbR0tYS08Pfes35bBXKOCIKmEs8WnOlg1pCw==
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

2026-09-17T10:01:30.475805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081371
observed 44984dafdcbaadc0f9fd6af71c6edfa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:30.458200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081371/manifest.json
observed aadcf1b9f9d47045fc1126917a268051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:30.439160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081371/publication.md
observed c1048b339602a8743e041d768b2fd7c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:30.420287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081371/publication.txt
observed 8da2eb43fec6cc2ea0bedce22b196712...
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.