OpenTechnical

OT-2026-000019747

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000019747) never changes.

Identity and time

Publication numberOT-2026-000019747 · never reused
Internal UUID01a0ae6f-1fb4-73c3-84ba-04e67f481fcd · 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-2026-000019747
StatusPUBLIC

Content hashes

Canonical textd00b298f026403136ea868e31e8ac9a01d34a88d24baffbaea62c19c62e31e66
Markdowna3761be21033382aaa82d79a8b445e2eb3243358a93f7dc5d0a3a8cc83289c97
PDF
Publication pageac4a9e4ed3c24f2317fc24a614eed4ed1e887fcd1595458d5aeb3d5585acf418
Manifestfa7fe5a8be8566294a56c76c86c2424b60b02842697a4c9111bc748310843692

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
SignatureFEgIKFesuiqeG1FjWPGNfECsMziKyxfBpMpFQGb9ChAj1kdDonAxJ/MGRr4dSb6+8RZ/QeScydHHCCc5/xDSDg==
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

2026-09-17T11:57:50.571694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019747
observed ac4a9e4ed3c24f2317fc24a614eed4ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:50.555605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019747/manifest.json
observed fa7fe5a8be8566294a56c76c86c2424b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:50.538261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019747/publication.md
observed a3761be21033382aaa82d79a8b445e2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:50.521412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019747/publication.txt
observed d00b298f026403136ea868e31e8ac9a0...
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.