OpenTechnical

OT-2026-000023220

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000023220) never changes.

Identity and time

Publication numberOT-2026-000023220 · never reused
Internal UUID01a0ae70-7267-7924-ac4a-9e9bd6c6131c · 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-2026-000023220
StatusPUBLIC

Content hashes

Canonical text2d14c39a8118686f1f028be50434c7bca7cb249d4d7caa34493874799064ee82
Markdown8869943d80c05b023b5cace97f1339b4ebba291eb3ac32cb89041d3ca68a9996
PDF
Publication page44079774e89184ae0d1e5fe54ed32fe95f96b9879291d44734910092807b522f
Manifest405ecc94c5b7e1a47f854b7010cbe05432d6743118be1dfb16804fb56679ac44

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
SignatureD4Q/uLJ+WEwff+NRTnlEuQUd784l81NWf6prdUSPDX+nEwOnNC+bNcMmtTNb0MUGNF0xo+YUgEbXZrdI6tAUBg==
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

2026-09-17T11:51:16.561731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023220
observed 44079774e89184ae0d1e5fe54ed32fe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:16.538693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023220/manifest.json
observed 405ecc94c5b7e1a47f854b7010cbe054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:16.519330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023220/publication.md
observed 8869943d80c05b023b5cace97f1339b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:16.499821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023220/publication.txt
observed 2d14c39a8118686f1f028be50434c7bc...
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.