OpenTechnical

OT-2026-000030364

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump 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-2026-000030364) never changes.

Identity and time

Publication numberOT-2026-000030364 · never reused
Internal UUID01a0ae73-e501-7e15-8197-792edd4ba98e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030364
StatusPUBLIC

Content hashes

Canonical textc0a8fbca173ca8bdb600f9c36bb63aa3057c5e0cff5d326ed2b6546f1a2f8c13
Markdown4cd1dc6bb4ecaa93f71fcad63fc2844d1a64fb485aa77c668716e90fefbc18c6
PDF
Publication page56dd6b55967bb051d25eaa88c52d9177ab536c663a73775718887befc5064172
Manifest04e6c71adfca6179bf0d3e9f5de0171e544de23248c69f7164bf6feccfc039f8

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
SignaturetHTF3mDMBLF276W8euo+pEwwMTkFpGGo+Ez+4Oyh5e2g4OM6ce2qFhz1Xg0nWK+9dCRFfjYe9pKdbxFgx29EBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:05.062235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030364
observed 56dd6b55967bb051d25eaa88c52d9177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.043856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030364/manifest.json
observed 04e6c71adfca6179bf0d3e9f5de0171e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.027309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030364/publication.md
observed 4cd1dc6bb4ecaa93f71fcad63fc2844d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.009342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030364/publication.txt
observed c0a8fbca173ca8bdb600f9c36bb63aa3...
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.