OpenTechnical

OT-2026-000039572

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000039572) never changes.

Identity and time

Publication numberOT-2026-000039572 · never reused
Internal UUID01a0ae78-d8d3-7c4e-ba02-2f1cf80b8b24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039572
StatusPUBLIC

Content hashes

Canonical text6c5ab698768779dac00acf00167cc6f68f64a09d232fea2bf3fa208741b269af
Markdown8d229343cebf62053a44da18607522a893ceec42549b87328619572ba9181020
PDF
Publication page98ff567dff719f763334cac5f2cdc62d48d8d69f6098a84bc74c85d163bf65db
Manifest6a7b8cbe8bca5c04043ef906107c2477a7a17450ec7d4e55c9c29ed1772dc2b2

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
Signature9/XPqfbaXDfPNUq0PxoAlm20LoV7+qNFBnFtKTm7sJZXnWhQiGaoBY/GDiq4tKRMQUyipd3GW9sWYnQkmtqODg==
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

2026-09-17T11:19:43.719165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039572
observed 98ff567dff719f763334cac5f2cdc62d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:43.700172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039572/manifest.json
observed 6a7b8cbe8bca5c04043ef906107c2477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:43.682498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039572/publication.md
observed 8d229343cebf62053a44da18607522a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:43.665083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039572/publication.txt
observed 6c5ab698768779dac00acf00167cc6f6...
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.