OpenTechnical

OT-2026-000086175

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, sustained 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-2026-000086175) never changes.

Identity and time

Publication numberOT-2026-000086175 · never reused
Internal UUID01a0ae99-e82c-7f69-9b02-b267d47c9883 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086175
StatusPUBLIC

Content hashes

Canonical textc54bac51c37e3ca0766e8cb783eb077483571a80b49d9e54c5145c8850786e15
Markdowna60b23338df39ab27ad77a95d9f7db14842b93d7c097013830892f79b2392fbf
PDF
Publication page4a83a0bf5975ca0abcd3c02e581cea389307a625c1c285a981a3b7b0936d7186
Manifestf37b8a09988f2ae178f347aa7c03d6c9e19f05641caf7edb3dab3562c5f2587e

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
SignatureFRWwnrPTlp39AS9Z5QNmKloC4LVn5kGfkMYe5NbraAkYczOc5EDWMHXH+Z0dYFw6OrzUxtsJI6i6hhhlTlAyDA==
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

2026-09-17T09:53:50.996610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086175
observed 4a83a0bf5975ca0abcd3c02e581cea38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.979912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086175/manifest.json
observed f37b8a09988f2ae178f347aa7c03d6c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.961679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086175/publication.md
observed a60b23338df39ab27ad77a95d9f7db14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.942027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086175/publication.txt
observed c54bac51c37e3ca0766e8cb783eb0774...
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.