OpenTechnical

OT-2026-000046083

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000046083) never changes.

Identity and time

Publication numberOT-2026-000046083 · never reused
Internal UUID01a0ae7e-032b-7652-8976-2afb04b5b84c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046083
StatusPUBLIC

Content hashes

Canonical text3f17b320c462f928cf93cc6e0401670971ac049120702a064a3de218f6c436ec
Markdownc4873f9b62bde118cae5bc5a94b3c0f53bdf1840bc4fc07aed5459ff6e29f132
PDF
Publication page0b5e2a9929d2a74217b16309eb993278d4babcfb3989840ce097e031a719009e
Manifest382612918ca5d1d0420cb7289643f7c743c7848bb197ad8a74edf7ebb59fe65a

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
SignatureM7ozxwe+YTQ2262r1CUz5xMPPkOwdHQdvPKNTf7SlnsYoZINMRJeFp7+1KSydKDG7uazk3Pg6GgLARxW1HzuBg==
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

2026-09-17T11:09:03.136508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046083
observed 0b5e2a9929d2a74217b16309eb993278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:03.117756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046083/manifest.json
observed 382612918ca5d1d0420cb7289643f7c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:03.099602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046083/publication.md
observed c4873f9b62bde118cae5bc5a94b3c0f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:03.079736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046083/publication.txt
observed 3f17b320c462f928cf93cc6e04016709...
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.