OpenTechnical

OT-2026-000032203

Publication integrity record

Foam pad vacuum gripper, four zone face, four 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-2026-000032203) never changes.

Identity and time

Publication numberOT-2026-000032203 · never reused
Internal UUID01a0ae74-f7a7-751f-9aa1-607355e65da2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032203
StatusPUBLIC

Content hashes

Canonical textbfbdc3d47cfb7af823b5732231c5e004ab48ebbaf93466831b167883bbc0f828
Markdown2f4ff052247120c9cd4846b4f52224e53814786732db94c5aa2496d1d6434d90
PDF
Publication page4e99e1e560813f1cdf55b28a704e56bdd3902c0df1a747ba54e4c2daaf242d80
Manifest495fe1034232c8dce144fa748c9273c2ee579c386eec0605b885120237fe7181

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
SignaturepXDfQmvORUtJJfqqqSfalyVvQJdywsJIKl2nYpNJYn8kgNQZRPFuUEfldI4uKPRymP4rSAze8emB4Se/EArEAg==
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

2026-09-17T11:34:32.941044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032203
observed 4e99e1e560813f1cdf55b28a704e56bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:32.923614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032203/manifest.json
observed 495fe1034232c8dce144fa748c9273c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:32.904684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032203/publication.md
observed 2f4ff052247120c9cd4846b4f52224e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:32.883751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032203/publication.txt
observed bfbdc3d47cfb7af823b5732231c5e004...
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.