OpenTechnical

OT-2026-000019217

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000019217) never changes.

Identity and time

Publication numberOT-2026-000019217 · never reused
Internal UUID01a0ae6e-f391-7d9c-b8cf-48d00ba8dfdf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019217
StatusPUBLIC

Content hashes

Canonical textea98cff35c903923f17024e04b4b9627c0e0f2778100b13f5367410456bded95
Markdown0261f19c2412e220508029b59ca467db126f8b24801c55c5814333d3def62b13
PDF
Publication page4eb03107f6c3cc8b517dd3b48e074b72d0b7e421c214a919a77de0b973771ba1
Manifestcaeee8f4fc4ab2cf65a1e73a6e5a5b463a9775c69afbe5ff9aecfd5a30e2b1fc

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
SignatureZgdJfsBPwojsJx2DjNeknQI+qjFElVCOAV/e8S9wm4m6vVhjioZpxlD9CHFh4987mz/qb9ibH9w/NvPYmGLJBA==
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

2026-09-17T11:58:32.420484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019217
observed 4eb03107f6c3cc8b517dd3b48e074b72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:32.402812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019217/manifest.json
observed caeee8f4fc4ab2cf65a1e73a6e5a5b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:32.384679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019217/publication.md
observed 0261f19c2412e220508029b59ca467db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:32.366845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019217/publication.txt
observed ea98cff35c903923f17024e04b4b9627...
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.