OpenTechnical

OT-2026-000023529

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained blow-off before set-down

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-2026-000023529) never changes.

Identity and time

Publication numberOT-2026-000023529 · never reused
Internal UUID01a0ae70-7269-70ee-99dc-1ac9ec13ee24 · 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-2026-000023529
StatusPUBLIC

Content hashes

Canonical text0c97896d56cd552c3ee0b75d995cd886f8ee3b361212f308ebd6889f29602697
Markdown0a363f60760d96f3eb7a92a33a26e2c363fd8ba5cd8d8d06f797d089df542841
PDF
Publication page88656aa6d324549ee03c740fb6f24196ac5cd5ae318e80dd71c85e6b902d07c6
Manifest927257e2e0084fd6c498fa4d2ccf5335639d66f3238a945bdcf0a108fa67cf51

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
SignatureSaFQNs3RQCTtmMvc0TW3TD9Mp9E5eO6oZ2QMmf0zbSPMKswm8pbiWlrlqAd6mUAtAnyNY8AdkZPl3nP/Noa4Cw==
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

2026-09-17T11:51:46.397219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023529
observed 88656aa6d324549ee03c740fb6f24196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:46.379227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023529/manifest.json
observed 927257e2e0084fd6c498fa4d2ccf5335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:46.361973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023529/publication.md
observed 0a363f60760d96f3eb7a92a33a26e2c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:46.343706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023529/publication.txt
observed 0c97896d56cd552c3ee0b75d995cd886...
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.