OpenTechnical

OT-2026-000097294

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000097294) never changes.

Identity and time

Publication numberOT-2026-000097294 · never reused
Internal UUID01a0aea1-01ca-72bd-b0df-56e0de15af35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097294
StatusPUBLIC

Content hashes

Canonical textd80ac08d25a05afd5f0cabe9e702e7e9e91a062ee7bb51850ac63e134494bef2
Markdownb51072ec778f4b14f5386c5a77672e52d904151a90865c27471a1809c16919c6
PDF
Publication page43093f868fd0ec444c60b8708c90e70e601d27a70bcb19463d250cc258f00d3c
Manifesta77b8154d52fc6e6e9b798fd7ce18df37620136f4888ea610e0cdd2f8b5d97ee

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
SignatureNLMUFCJkRX+/Z5RLIy7KQs4ndoTsoIhn5xH8zyyU/4E6OubtAAz1U6/HfCCQFpUqyoMpzwqV16zUZWjHRq6uAg==
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

2026-09-17T09:33:33.604225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097294
observed 43093f868fd0ec444c60b8708c90e70e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:33.586643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097294/manifest.json
observed a77b8154d52fc6e6e9b798fd7ce18df3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:33.570439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097294/publication.md
observed b51072ec778f4b14f5386c5a77672e52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:33.552300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097294/publication.txt
observed d80ac08d25a05afd5f0cabe9e702e7e9...
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.