OpenTechnical

OT-2026-000037005

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000037005) never changes.

Identity and time

Publication numberOT-2026-000037005 · never reused
Internal UUID01a0ae77-7740-703a-9a71-f852298d392c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037005
StatusPUBLIC

Content hashes

Canonical text90c99b3179b41275c216d3641a6d1d5bc02d6fd6d905b1ba4e5269f3d83dcd20
Markdown4f5f8869f28649ec525064a3c77c580903e4e4cbae52f60274362c9a616e3608
PDF
Publication page5153a33fd5fd972c2a1998481c93c4c25ade8c649fd15ec95373c145a3875f0a
Manifest158ba05939b197681a7c6cde86e51d7b84910c0d7dfcaf676d24f5245799c0f6

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
SignatureFNiwI72UvUQuss+Yv1vgHTzO2gMc5+rKiDHRFPD1sMUNKyvSkyN4DCA1X8yLmBSJJutU6YAue38ajlu4jsTbCA==
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

2026-09-17T11:24:40.413567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037005
observed 5153a33fd5fd972c2a1998481c93c4c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:40.395458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037005/manifest.json
observed 158ba05939b197681a7c6cde86e51d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:40.377903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037005/publication.md
observed 4f5f8869f28649ec525064a3c77c5809...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:40.358331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037005/publication.txt
observed 90c99b3179b41275c216d3641a6d1d5b...
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.