OpenTechnical

OT-2026-000086037

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000086037) never changes.

Identity and time

Publication numberOT-2026-000086037 · never reused
Internal UUID01a0ae99-e82b-75bd-8511-5c14694c189c · 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-2026-000086037
StatusPUBLIC

Content hashes

Canonical text12b1384a86011e1b7feab594948d04c71c23c6e52d817fe41dbdb81642725991
Markdownb42d9f820c66fb4a3a26cce5b2fb49705afdf9b1982256d8f20b31771c93bc74
PDF
Publication pagee139ba32d389a3530bf02c46518c8db1d90656a206ee59759d6325d5183ac2e4
Manifest5efa6df96e753a699097e1c0514cbb216560db3d42c68cbd9e826de5a0b74df7

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
SignatureCJz2dyTqKhH/ck8l3u1TppUDBaWa3ZowAB5j1bE4w2oj4tSBTyBVt5yT1RDpxZEX07Q5rTjbQSiIoCZQbsgKCg==
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

2026-09-17T09:53:01.749296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086037
observed e139ba32d389a3530bf02c46518c8db1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:01.730368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086037/manifest.json
observed 5efa6df96e753a699097e1c0514cbb21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:01.709810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086037/publication.md
observed b42d9f820c66fb4a3a26cce5b2fb4970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:01.692183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086037/publication.txt
observed 12b1384a86011e1b7feab594948d04c7...
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.