OpenTechnical

OT-2026-000046847

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000046847) never changes.

Identity and time

Publication numberOT-2026-000046847 · never reused
Internal UUID01a0ae7e-d0f5-7796-8c41-6d3d46d1ac0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046847
StatusPUBLIC

Content hashes

Canonical textd79fb4a1721660a6acef895a4187d2d550cf7ae540fe32169534d486e5ec3fc6
Markdownb11c9817436f6c69dd90c7c3300b1d971e84b917822bb38100c49334c1c510e5
PDF
Publication paged189a5d584d9ffcc435f9f8474c7f293a3e5ee1f1e1c8a272121c4f06bf251ec
Manifest72ca9fdbf450d3e775fde89e0c2deed11b9e4e57cecb334394b99d6d032e74b1

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
SignatureYSdXk5QkGpBjh/gpWlKDsV5KWID4ZuXNBnDSddOJD8lJFr2H1y+XgiD1x7f693KqrFFWgyI8qa1bG8PbTTSsBg==
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

2026-09-17T11:06:56.851167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046847
observed d189a5d584d9ffcc435f9f8474c7f293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:56.834423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046847/manifest.json
observed 72ca9fdbf450d3e775fde89e0c2deed1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:56.817850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046847/publication.md
observed b11c9817436f6c69dd90c7c3300b1d97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:56.800571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046847/publication.txt
observed d79fb4a1721660a6acef895a4187d2d5...
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.