OpenTechnical

OT-2026-000081269

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three 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-2026-000081269) never changes.

Identity and time

Publication numberOT-2026-000081269 · never reused
Internal UUID01a0ae96-f374-788b-98fd-ee83a54fdfd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081269
StatusPUBLIC

Content hashes

Canonical text4bb02530a74e4adb312f3700fda7d84089d326089cfed6964a58956b95244356
Markdownff4a8e9f41b25bebc091dbd28a15a9baf669bbdb5188af6a2f0c7cd327e0a8e3
PDF
Publication page5b4dfbf10779b06b42583547fe14ba578957ce38fcb735b37a6a0be22877c0b3
Manifest1b0c27b93cc4d42fd3ab8e0ebad5f2b081e80b447c70fd413c823dbb2450beee

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
SignatureHC1rytfNuT/Q8vpRIKsjCoAq00mjikJ3SBP6no+iUOghEIXQuHuc3MLegRfndIyIllx1YfPUxbhn6VTiBkb3AQ==
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

2026-09-17T10:01:22.171584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081269
observed 5b4dfbf10779b06b42583547fe14ba57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:22.153259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081269/manifest.json
observed 1b0c27b93cc4d42fd3ab8e0ebad5f2b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:22.134343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081269/publication.md
observed ff4a8e9f41b25bebc091dbd28a15a9ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:22.114353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081269/publication.txt
observed 4bb02530a74e4adb312f3700fda7d840...
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.