OpenTechnical

OT-2026-000018444

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000018444) never changes.

Identity and time

Publication numberOT-2026-000018444 · never reused
Internal UUID01a0ae6e-b48a-763a-acad-4909950e0a4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018444
StatusPUBLIC

Content hashes

Canonical text56feccd6f53f5734c466901a21f928ead43ac880c94ccfb605765e1be06832f4
Markdown1a4ae8329732ade4c073db4e5ea7b31d771856c448499f21c4c49fd8940875ef
PDF
Publication page109716c54ad910d85da30654e78c7f7596e5aabdc2faee369b3b2b2976e92011
Manifest45ce4a867a6d2592ae2b015523b8c96f59686167ff5f80eced48e3b3ccd7a68d

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
SignatureqPtR9GRcRWooZSfTWCgBMJqTY4XcEjanlSmQ8cwS2GVL296w6qMJ8A/O+fMfKaU87ayhLWVvRRdS844gh/JdBw==
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

2026-09-17T12:01:11.899403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018444
observed 109716c54ad910d85da30654e78c7f75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.881675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018444/manifest.json
observed 45ce4a867a6d2592ae2b015523b8c96f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.863790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018444/publication.md
observed 1a4ae8329732ade4c073db4e5ea7b31d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.847660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018444/publication.txt
observed 56feccd6f53f5734c466901a21f928ea...
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.