OpenTechnical

OT-2026-000086148

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000086148) never changes.

Identity and time

Publication numberOT-2026-000086148 · never reused
Internal UUID01a0ae99-e82c-7a5b-8298-09e865bbfe84 · 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-2026-000086148
StatusPUBLIC

Content hashes

Canonical text33adea1ce73186f66bd3f7a94bc4947c769c8d2c31a7d47ce3c4f91b357a2e46
Markdownd86bf0555330dbd4d6f82e748f16a6fca071ab4eb573f834c72bbad8a112864f
PDF
Publication page244a313c6a81a0b4a0ba89aa30072ac41b33011d419a101691e2859cd51f694c
Manifest110c5f378b9b463762c25bebca88a541e94d1602d22e46fa8d90591a197a0cfe

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
SignatureTPxp/+qjApzX48DWtWJ0z+5e/2ZcdlH7PFUBC94Kg36rqXrDP8A0zqh7GUCC67Drzar5L6BKGxtMKP+czwt3Bw==
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

2026-09-17T09:53:48.938094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086148
observed 244a313c6a81a0b4a0ba89aa30072ac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.920458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086148/manifest.json
observed 110c5f378b9b463762c25bebca88a541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.903979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086148/publication.md
observed d86bf0555330dbd4d6f82e748f16a6fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.885529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086148/publication.txt
observed 33adea1ce73186f66bd3f7a94bc4947c...
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.