OpenTechnical

OT-2026-000032939

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, 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-2026-000032939) never changes.

Identity and time

Publication numberOT-2026-000032939 · never reused
Internal UUID01a0ae75-4842-7d02-9354-441394cb9bf8 · 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-2026-000032939
StatusPUBLIC

Content hashes

Canonical text6ed4eab679d7000068d8482a6598b2d98ee8a198ede2e623532dc320cc6ca9b8
Markdown4ff2e23c189cdf9df9878144a12ae3db1e5576cdce336973053bba8708ef7a70
PDF
Publication page00f4770d78ead8288fa00b29657e43bb66908c7e91dbcd1703a9df430b5e1f58
Manifest779b581d2f55122900d0e2e1459b3365ae3bd79e3cf095b17a80bcc1f933382b

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
SignatureNQ6SzgHO6qbjrNxLFiJPun476aa9NaXcI23LntSLGIKdhRORTfkdgD9ss8We9G/d8j2MQk6xzv+0KoUBtqUfCw==
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

2026-09-17T11:32:32.341264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032939
observed 00f4770d78ead8288fa00b29657e43bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:32.324036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032939/manifest.json
observed 779b581d2f55122900d0e2e1459b3365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:32.305724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032939/publication.md
observed 4ff2e23c189cdf9df9878144a12ae3db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:32.282720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032939/publication.txt
observed 6ed4eab679d7000068d8482a6598b2d9...
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.