OpenTechnical

OT-2026-000092917

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000092917) never changes.

Identity and time

Publication numberOT-2026-000092917 · never reused
Internal UUID01a0ae9e-090e-755c-8f55-9a2215be9e7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092917
StatusPUBLIC

Content hashes

Canonical textb1f57c597597932b8a34cd55c9a9aa04f78633e8c64bacec5d78ff7636bf7190
Markdown4610df4764b0ac34a9e566d649b69f9827ce859857f5441f8aecf1a1c38dc906
PDF
Publication page16dfe48d30a005e225c0c5352f10945d864402c2bcb998db3e27c0390ebd6031
Manifestd9a4ef479b2f4342ad5229e5d0e1b138761b5f7e952fd88e8b84a364bb536d6c

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
SignatureU8qP4X2hmJAD0KVVWehrm3BWMmqPHKvQrjfPDYgLzOjKmgueeB7oha1JoMw/yfn1XLbhbfVYiPmbo3CjlP9NAA==
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

2026-09-17T09:40:02.052384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092917
observed 16dfe48d30a005e225c0c5352f10945d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:02.034363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092917/manifest.json
observed d9a4ef479b2f4342ad5229e5d0e1b138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:02.017588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092917/publication.md
observed 4610df4764b0ac34a9e566d649b69f98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:02.000292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092917/publication.txt
observed b1f57c597597932b8a34cd55c9a9aa04...
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.