OpenTechnical

OT-2026-000085555

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000085555) never changes.

Identity and time

Publication numberOT-2026-000085555 · never reused
Internal UUID01a0ae99-aaac-77d4-b48c-744f947072df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085555
StatusPUBLIC

Content hashes

Canonical texta0fd7d50dee85a458ba475e8c6bdf2efefb01624f9d9e27cf83251f9ad37b6aa
Markdown8661af2116c9dbb8fc8e9b584d4f0900835eddf5c56a35c2670763a3d8b095f7
PDF
Publication page0385446bcc5407fcad81e589510891cddf87b96e1be3c2d31d6f84ffa4940839
Manifestfc49fab3d4a4046848c804a32c3eba825c7baa8757d4667c528332aa82793875

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
SignatureuvoIwugw75lVHqbjGM0WaAWkKUm8oN04yIn3TzaBZiJurRx60Ltz53xqGyhEFjpvYXqmOaFh+LXwrJ7U3sO7Cg==
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

2026-09-17T09:54:22.548067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085555
observed 0385446bcc5407fcad81e589510891cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.531611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085555/manifest.json
observed fc49fab3d4a4046848c804a32c3eba82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.514553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085555/publication.md
observed 8661af2116c9dbb8fc8e9b584d4f0900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.496295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085555/publication.txt
observed a0fd7d50dee85a458ba475e8c6bdf2ef...
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.