OpenTechnical

OT-2026-000043817

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000043817) never changes.

Identity and time

Publication numberOT-2026-000043817 · never reused
Internal UUID01a0ae7b-d677-76fe-8600-2af954daae48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043817
StatusPUBLIC

Content hashes

Canonical textf16b95e8b991ed511e00c8b840ef87460ad035069736927304b45df40aa473ef
Markdownff48afa518c48880cf6631611f20a197380d7ed28d4d35a4b133ed8e431d4f91
PDF
Publication page255d91e81789d517aefd66693a48536ace831d992ebf0e0f4b367e8a66047eec
Manifestc4ae71fa023e6693b0ffd2ec3bb4be45c30ee9f94e951260d74e862edf4a2d74

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
SignatureUrem2AFWbApU5iKvB/8/+0Xf99RzhU0ZVH5dhQGJjrLharKWRDiwFUl8gOrhtfTdhkXHwRTQMm8qT6k3iYZkCQ==
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

2026-09-17T11:12:07.492735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043817
observed 255d91e81789d517aefd66693a48536a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:07.473996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043817/manifest.json
observed c4ae71fa023e6693b0ffd2ec3bb4be45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:07.454686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043817/publication.md
observed ff48afa518c48880cf6631611f20a197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:07.435568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043817/publication.txt
observed f16b95e8b991ed511e00c8b840ef8746...
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.