OpenTechnical

OT-2026-000043330

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000043330) never changes.

Identity and time

Publication numberOT-2026-000043330 · never reused
Internal UUID01a0ae7b-327d-7e79-9b1c-d24a8f5a5b2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043330
StatusPUBLIC

Content hashes

Canonical text157ac9da8ef622232940cd1f4c9fdae9b19df39dcf8a44c2d3734a605f381ec3
Markdowne042f2fc8fbd3202bb5580cc6dea436acd97ccbc35306b7e595211467f4d2e92
PDF
Publication page770587c11455fcff56c8aba0e20ed863294e78c2184d0a54fecf36b9d251bb83
Manifest2f8e84c64f8e3390fb7e7a029198becd97e04cb9c52a558cfc12ca772ad8003b

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
SignatureL64C08l39y8Ar635yQw2auS6AyBh812bVGFZka0p5OUjI9ujQAskMW7Jg/x74JMqYmTfTsYD7lBppl2aiNI1Aw==
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

2026-09-17T11:13:50.374909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043330
observed 770587c11455fcff56c8aba0e20ed863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:50.357184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043330/manifest.json
observed 2f8e84c64f8e3390fb7e7a029198becd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:50.340217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043330/publication.md
observed e042f2fc8fbd3202bb5580cc6dea436a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:50.320530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043330/publication.txt
observed 157ac9da8ef622232940cd1f4c9fdae9...
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.