OpenTechnical

OT-2026-000048129

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000048129) never changes.

Identity and time

Publication numberOT-2026-000048129 · never reused
Internal UUID01a0ae7f-c424-7504-9099-3f9cd23ca3b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048129
StatusPUBLIC

Content hashes

Canonical text6eba6cd89d16dd7d294e7ffceb898ff704c31e5d94f5b3b0579120ddce4a2ade
Markdown75f143427320918b48beb011a9060b409dfcb1ba7ae53ec07328902dcbe40d75
PDF
Publication pagecca7181be9928ddc743a92a55d64bf4f6e5e0075f0608788806d5d96714ac28e
Manifest276eb0d3a9721979b95385baac21033f98df60c80858d5321b474c79744c1fa3

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
SignaturehKAM3B8fsDRrLYLo8alEwA/G/UDk8v67l5lD2a3SxQIbT/cs88DLNCJNAnTkE/QUmx3B7F4Q/qbCY0seeynHCg==
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

2026-09-17T11:06:10.178303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048129
observed cca7181be9928ddc743a92a55d64bf4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:10.159238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048129/manifest.json
observed 276eb0d3a9721979b95385baac21033f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:10.140311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048129/publication.md
observed 75f143427320918b48beb011a9060b40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:10.123563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048129/publication.txt
observed 6eba6cd89d16dd7d294e7ffceb898ff7...
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.