OpenTechnical

OT-2026-000033143

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pulsed blow-off before set-down

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-2026-000033143) never changes.

Identity and time

Publication numberOT-2026-000033143 · never reused
Internal UUID01a0ae75-4844-78ea-835b-56aa1af6c0bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033143
StatusPUBLIC

Content hashes

Canonical text8d9c77e6dd43ff2064dfae53d793c44b13a9f0546ca3d393363fa23d657b3bba
Markdown0da83fd8ad8d0b7a69a8b259ac7ed8742ca9fc9f8a45b370d074311ccde27dd9
PDF
Publication pageb4f9d9ff95edacc7ce54b2b1c8d26966941d4c70b6b6f1a4a4acffdb2a265141
Manifest6f6aaea9edebd4edd1739f99c4c42c7b0d74c03c107545213f69d164e17db7f3

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
Signature3K9GA4tnCByCQxzNrh/k34HCc+eSi02WnsCAV5bdCpZpl+uIMD85IMzC8RFpMu4xzIJ0KHl/lbhnM0qkqT+6Ag==
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

2026-09-17T11:32:49.654403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033143
observed b4f9d9ff95edacc7ce54b2b1c8d26966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.636266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033143/manifest.json
observed 6f6aaea9edebd4edd1739f99c4c42c7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.617399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033143/publication.md
observed 0da83fd8ad8d0b7a69a8b259ac7ed874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.593559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033143/publication.txt
observed 8d9c77e6dd43ff2064dfae53d793c44b...
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.