OpenTechnical

OT-2026-000023381

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000023381) never changes.

Identity and time

Publication numberOT-2026-000023381 · never reused
Internal UUID01a0ae70-7268-7c48-a0b9-09d56465629b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023381
StatusPUBLIC

Content hashes

Canonical textfeb260ab278241bb9ed39d18e62f1ed57f58100727cfe89355d8e89540cf5b38
Markdown3b86b82b845eed3748ff15af715b5701919b4356fc3af094bf7436f2efe966a2
PDF
Publication page8b3dfb4240a916fb65e9c7ca7f05902834b3759759a90daa14c2a3c2e6499a73
Manifest6db9ba29708c15516b54d4803d253417d856528a9fcb2f59c8b14e4ca6e4a5e1

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
Signature6XuJVfqmghRnQlszjJNgnPC2nGrwkRMuRaDqrwiLYJXRGPCdoJMarTpt9heARP1sMBXLueSPk8Zy+HTdt8bXBA==
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

2026-09-17T11:51:34.761625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023381
observed 8b3dfb4240a916fb65e9c7ca7f059028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:34.743172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023381/manifest.json
observed 6db9ba29708c15516b54d4803d253417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:34.722921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023381/publication.md
observed 3b86b82b845eed3748ff15af715b5701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:34.705391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023381/publication.txt
observed feb260ab278241bb9ed39d18e62f1ed5...
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.