OpenTechnical

OT-2026-000016460

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000016460) never changes.

Identity and time

Publication numberOT-2026-000016460 · never reused
Internal UUID01a0ae6e-2d13-76b5-84c0-2846a0946531 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016460
StatusPUBLIC

Content hashes

Canonical text13c8dd851f91c61b82b9ae1c97ad958771db27fde0ed020819c7dafa57c62d41
Markdownec594b6b74c06b5da538168c0a2c2d4d59ad5df29f64fe09c46c7700e23a4c6f
PDF
Publication page8652afbf4a318236be0798d0e1585433f9646a213f03425b750d44ef9ba25e3e
Manifest30d31230f0ae9c8555d34a6c02d1f06c5e60d4d5ed7d6b26eeec2de3f49e4c9c

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
Signature7yQp/LAvg/qiAGa5WvZb8JMFjseXBfhoRLYXR7v6tLSAVeZXQRDyHLfLNdjQxTuUQRGke9aD3GSXJs6drlfICA==
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

2026-09-17T12:04:39.405700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016460
observed 8652afbf4a318236be0798d0e1585433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:39.388042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016460/manifest.json
observed 30d31230f0ae9c8555d34a6c02d1f06c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:39.368518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016460/publication.md
observed ec594b6b74c06b5da538168c0a2c2d4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:39.350957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016460/publication.txt
observed 13c8dd851f91c61b82b9ae1c97ad9587...
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.