OpenTechnical

OT-2026-000060249

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000060249) never changes.

Identity and time

Publication numberOT-2026-000060249 · never reused
Internal UUID01a0ae8a-5a73-75b4-9270-a2e46f1363fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060249
StatusPUBLIC

Content hashes

Canonical text889f713c343ee1368d5e9ba2afba232f7c5eb45e66359010c20d02ad0ed42e54
Markdown699d6afee68b36f2225d9d8c435e0c93adf208b984932f6cf3179f1649c7c371
PDF
Publication paged9a98dac75995c2a5c2c7ecd87d886bc0a6f0112106e835822ae1d1a39f0aaa8
Manifeste7e157f61288997dd25bc39b55debb38c3c0e4600bb65af0e4118fb7df6d41a1

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
SignatureaMQ29/Yr1ovL9c+ArDSQMTY060KEiZp33C7LpIYAYtvlhYr/V1LJocutsW0JJ8vWIXI6aZbOfEE0HikkaKNBDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:55.952587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060249
observed d9a98dac75995c2a5c2c7ecd87d886bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:55.934967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060249/manifest.json
observed e7e157f61288997dd25bc39b55debb38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:55.917922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060249/publication.md
observed 699d6afee68b36f2225d9d8c435e0c93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:55.899908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060249/publication.txt
observed 889f713c343ee1368d5e9ba2afba232f...
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.