OpenTechnical

OT-2026-000085175

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000085175) never changes.

Identity and time

Publication numberOT-2026-000085175 · never reused
Internal UUID01a0ae99-43ba-7072-a48e-d392c14010fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085175
StatusPUBLIC

Content hashes

Canonical texta8f1c92095aba3720c130b835fb5fefe8b74f1dc62a9d5db8b0394119ce2555e
Markdown9a25ee87b6abec9c090d74d5598b30982c5c4f33bab41d5fb484dcf2408341c6
PDF
Publication page125b31343592b18ff61b1f24f8ad6d98ca640fa32a855eb5d53b296009950889
Manifest02244bc61e1860df7eaeac36911bc083c3febbe5fb1ba36f6002c36f2afebd5f

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
SignaturetR58pCw4xSF5tpwu0reyRh7QfYxD3p2HpNrLrHb/uqYkFuxqEUmsUYdk8NTh+5McHOCjZnDkNoO/QIeh+W4/BQ==
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

2026-09-17T09:55:15.507906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085175
observed 125b31343592b18ff61b1f24f8ad6d98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:15.490262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085175/manifest.json
observed 02244bc61e1860df7eaeac36911bc083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:15.472572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085175/publication.md
observed 9a25ee87b6abec9c090d74d5598b3098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:15.454477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085175/publication.txt
observed a8f1c92095aba3720c130b835fb5fefe...
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.