OpenTechnical

OT-2026-000020138

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000020138) never changes.

Identity and time

Publication numberOT-2026-000020138 · never reused
Internal UUID01a0ae6f-4379-76f1-b16b-98d84b0e33ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020138
StatusPUBLIC

Content hashes

Canonical text12ac619930e9453a02b213d1ad5fa62a5d1b4f1eb45f5cc3f241132b5c03c791
Markdown1b7b4a90d969b21babc880d4adc12f633afe5406b79712e0d91581aee5a017bc
PDF
Publication page1853c33ae11d13d0bd37c5999f998bed6dde6f031a831d9e374ad25cd7cd43bd
Manifest844a65cec0884224d306fed3cf93d7d9b18589ba2d87c9822d91fdab188917ee

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
Signature34rLTjAof0uXjpR0BhYIwvvkS0uQetKy1QjlmsnoOkXqqkv+2xVEdMqr6dL53p5aE8dW//iyp1IKErvqWw7cBg==
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

2026-09-17T11:56:26.950003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020138
observed 1853c33ae11d13d0bd37c5999f998bed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:26.931785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020138/manifest.json
observed 844a65cec0884224d306fed3cf93d7d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:26.914134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020138/publication.md
observed 1b7b4a90d969b21babc880d4adc12f63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:26.895780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020138/publication.txt
observed 12ac619930e9453a02b213d1ad5fa62a...
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.