OpenTechnical

OT-2026-000100533

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000100533) never changes.

Identity and time

Publication numberOT-2026-000100533 · never reused
Internal UUID01a0aea3-66f0-73ac-bfa6-5724c50ab6e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100533
StatusPUBLIC

Content hashes

Canonical textbafe2661dd3d9a3ed1d015d4184cc04e0f9286f8ca5fba402b8c55e1062d9a54
Markdown92b70842d1d1e3364b896db208dc24c5d9516c46c7a4cd4a5aaa43c2eb6fe350
PDF
Publication pageb6272db995599909488513fa3779f3500d87857813fb0e43a5b379730a81fd92
Manifestbd20b116e747863f9381c5d2e773b1334226e477977b0718ecd8cdd843a4b750

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
Signature1H+BVhNa+QF0wFItLywD4wGGOnNytGravbJ8DQoN7YAp/fcKfff81QH7QFpxg92wkCcsgtzdmynBfItYtUTVBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:18.300307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100533
observed b6272db995599909488513fa3779f350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:18.283670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100533/manifest.json
observed bd20b116e747863f9381c5d2e773b133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:18.267741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100533/publication.md
observed 92b70842d1d1e3364b896db208dc24c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:18.251098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100533/publication.txt
observed bafe2661dd3d9a3ed1d015d4184cc04e...
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.