OpenTechnical

OT-2026-000041478

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000041478) never changes.

Identity and time

Publication numberOT-2026-000041478 · never reused
Internal UUID01a0ae79-b145-785e-a14e-ee06013a8a45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041478
StatusPUBLIC

Content hashes

Canonical text6cf20c7f895820b0389c8cf7b366c69e2bdf8dd633681f2ada9c7f3af57c77b4
Markdown5219efe9fc065c3e8d334c60c9cf73621c38add73a83bc2708e8f554faea9a24
PDF
Publication pagebd4e0d1725da1890ab8364959d9d87c744bfabc5c1a8bc339d51d92e398d3c0f
Manifesteb34c971a4c7e09ffc771443981e4d76774d053f82392ba201a7cc66650d8e2c

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
Signatureqq36RKssqRuqGTSR5hOY4nFzWUzYrAc91I2scuGPtKpJMvFxTjx/mt8N5J5jY3Qd4xdNlhBnlP3+FTD+lwKxDg==
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

2026-09-17T11:17:30.585754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041478
observed bd4e0d1725da1890ab8364959d9d87c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.567680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041478/manifest.json
observed eb34c971a4c7e09ffc771443981e4d76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.549220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041478/publication.md
observed 5219efe9fc065c3e8d334c60c9cf7362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.528380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041478/publication.txt
observed 6cf20c7f895820b0389c8cf7b366c69e...
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.