OpenTechnical

OT-2026-000017945

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000017945) never changes.

Identity and time

Publication numberOT-2026-000017945 · never reused
Internal UUID01a0ae6e-96fc-7bbf-bdfb-499ee959259c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017945
StatusPUBLIC

Content hashes

Canonical text00905643382f055ae177d2d500ac3acebbf42e383cf9f6fba707460fbe39c6c3
Markdown54c8a70b505779faf56860ab8decf74d1990a3cda32e1072c6d4f3f9ab8c8a57
PDF
Publication page306c4303f34a1261df8723615d30c8fc8271d459655a21e3dc8d4735f18d66ac
Manifest283780344677533b43dcf1dbb7deb4528f64dfbec5248f5a29afb4303bdb98c2

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
SignatureDifdTc2noRszmalG+4bTFd/RzW2Vl1REY+mf5Y1/LZzqNXw7keUE0HybuJLrnXetW89A3EgiSkdaZdxsPLcuCA==
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

2026-09-17T12:01:56.705251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017945
observed 306c4303f34a1261df8723615d30c8fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.689301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017945/manifest.json
observed 283780344677533b43dcf1dbb7deb452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.672360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017945/publication.md
observed 54c8a70b505779faf56860ab8decf74d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.656423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017945/publication.txt
observed 00905643382f055ae177d2d500ac3ace...
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.