OpenTechnical

OT-2026-000029070

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000029070) never changes.

Identity and time

Publication numberOT-2026-000029070 · never reused
Internal UUID01a0ae73-2a9f-7e92-becd-1a5bf2e906f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029070
StatusPUBLIC

Content hashes

Canonical text341090d7b99a141a0c3f9c8bb3228f32d2606ca3e52dd325eac611c51c6ee1e0
Markdown5cf04e9fb9e2ab8cc4c23d277adc539ca70eac96c50e297eecb0dee6804b398c
PDF
Publication page5e2694b49c24337187e983026a99fec40d62704eb92f28756dd0a069dd7e582c
Manifest6b5a0e849ab2cd56eb3361f3085378e496945dcfa64791daef6fc818c784ca57

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
Signaturew0ZRkdExIxy+BUFTbeOEMv7nMrzeGFukADpKO/QZiT77b/JK/DghbZ/Im8J8MBGLFf1O90OgZbc4I0PlKCkGBQ==
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

2026-09-17T08:20:45.226706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029070
observed 5e2694b49c24337187e983026a99fec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:45.209685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029070/manifest.json
observed 6b5a0e849ab2cd56eb3361f3085378e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:45.192726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029070/publication.md
observed 5cf04e9fb9e2ab8cc4c23d277adc539c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:45.174844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029070/publication.txt
observed 341090d7b99a141a0c3f9c8bb3228f32...
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.