OpenTechnical

OT-2026-000017707

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum 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-2026-000017707) never changes.

Identity and time

Publication numberOT-2026-000017707 · never reused
Internal UUID01a0ae6e-96fa-7ba1-8900-420e78dc3c99 · 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-2026-000017707
StatusPUBLIC

Content hashes

Canonical text63ee0bb3a45696e6452e4387fd862de2133abbb7230b6faea2f15617c96aee94
Markdown984fb4d85893292aff0080bd860bea2469c270161302fe9411184e8927b058fb
PDF
Publication pageab7dc7297371141eff2b1d7c0f144f6b2f5f8afe9713e99b3452e5b94bb2b6c0
Manifest6b2581b40124983dbd1324348dbb0b838c3151ebd12d129c5846b3ae994aec06

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
SignaturervrZaGfLrsxrHNAu2uplE1DDmQ+5TWeK+ZhDg+dxkjLdb2WN+kA9YDlKrFOaVmnna4SGBv2dFooFG61x3HTaDw==
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

2026-09-17T12:01:39.644214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017707
observed ab7dc7297371141eff2b1d7c0f144f6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.628124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017707/manifest.json
observed 6b2581b40124983dbd1324348dbb0b83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.612031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017707/publication.md
observed 984fb4d85893292aff0080bd860bea24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.595414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017707/publication.txt
observed 63ee0bb3a45696e6452e4387fd862de2...
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.