OpenTechnical

OT-2026-000030571

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pulsed blow-off before set-down

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-2026-000030571) never changes.

Identity and time

Publication numberOT-2026-000030571 · never reused
Internal UUID01a0ae73-e505-766e-aaaa-f89629d158aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030571
StatusPUBLIC

Content hashes

Canonical text111b54de2ea632146539b5216252d7c21a184026085ce5f4412ccf8654dd3baf
Markdowna4909929c0ae6f4fd3085e00782429ae010fe6ea23794d584c8f0c277f801a0b
PDF
Publication page4c071fe4ef70f1ac934e4f0fe70c6f9bed0fe499840a83e43ce721356b41c044
Manifest5c2318dd4d8085dc7fa5cdcca9356081419f811f81bda039760233d212fa4dd8

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
SignatureS/rrRq54qHG2wlx5Oqi6oDUS9qWt6WZtSBMX3nZa/t1RNMPlPJfsplCRI+fBVdI9rYmVELL7iWtJFSt+5BRhBw==
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

2026-09-17T11:38:26.609497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030571
observed 4c071fe4ef70f1ac934e4f0fe70c6f9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:26.592908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030571/manifest.json
observed 5c2318dd4d8085dc7fa5cdcca9356081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:26.577866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030571/publication.md
observed a4909929c0ae6f4fd3085e00782429ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:26.559867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030571/publication.txt
observed 111b54de2ea632146539b5216252d7c2...
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.