OpenTechnical

OT-2026-000019685

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000019685) never changes.

Identity and time

Publication numberOT-2026-000019685 · never reused
Internal UUID01a0ae6f-1fb3-7382-a640-7067e357818a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019685
StatusPUBLIC

Content hashes

Canonical textc90494abab4b841c03019821d37b7996f85ad83ddd013ba037012aceb30cc38a
Markdownc4bfdd0c1e5845a7d4e01ac9b89d34f91ca664b28c80ba4cffdee91311a2ee00
PDF
Publication page6e8ccc5cfeadd08deb534de55e0b65bc331044ca2714aa6f19cf0c73f3b7e8ab
Manifest1d3ee43020cf6e64c3207f5c00618c46b26ef3d2244e6adcb471de6da7bc52b0

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
SignatureDUiTd3aF39nk2w+KYIbubAO1r1ielopjTp+wHyiuc2i145PRGGxP2Zjv61yN8M4eVn57CE/cncD8TTfFjSuEDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:57:45.614538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019685
observed 6e8ccc5cfeadd08deb534de55e0b65bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:45.596669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019685/manifest.json
observed 1d3ee43020cf6e64c3207f5c00618c46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:45.578515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019685/publication.md
observed c4bfdd0c1e5845a7d4e01ac9b89d34f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:45.560585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019685/publication.txt
observed c90494abab4b841c03019821d37b7996...
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.