OpenTechnical

OT-2026-000023930

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before set-down

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-2026-000023930) never changes.

Identity and time

Publication numberOT-2026-000023930 · never reused
Internal UUID01a0ae70-aed6-7469-b105-1c925f076282 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023930
StatusPUBLIC

Content hashes

Canonical text9d6dd546e00c18091438bfba5b240c69dd67fdd5168687b7f7cd30b1df997050
Markdownd979c3d729baf0f8462036398517c77ba3e0b3d56a9c78461f6b79e13b96951e
PDF
Publication page6eef38273aa8889f4c05c66959135c913d5ee45e45d5cabb46a3f76c049640a6
Manifest6a247994aa89f14e99801055e374d83472d685f5c1890a0f0d45bdcff1ef6248

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
SignaturedHRNvsVEd8oBkBUnrr1cliYlH7TIp5xjz/2l/S4QJ99RCryn2mPS1AxyxdHfhYMLw5OYFX3ItpvL/VNJPuS3Cw==
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

2026-09-17T11:50:33.328082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023930
observed 6eef38273aa8889f4c05c66959135c91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:33.295983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023930/manifest.json
observed 6a247994aa89f14e99801055e374d834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:33.276201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023930/publication.md
observed d979c3d729baf0f8462036398517c77b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:33.257211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023930/publication.txt
observed 9d6dd546e00c18091438bfba5b240c69...
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.