OpenTechnical

OT-2026-000049578

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000049578) never changes.

Identity and time

Publication numberOT-2026-000049578 · never reused
Internal UUID01a0ae81-8f7d-7cab-926c-4c0d18d56eec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049578
StatusPUBLIC

Content hashes

Canonical text9f958ed8407d98d407e50bda9dad98623f381815f8ef699862d6951a1a288781
Markdown5049c5c20e690eaa555419a0ae1af0eb73e5d05dfcf49d86c8691959d35c136c
PDF
Publication page8d8b0ca87d2f7cf28a26896b078689713ea6c89b05dcbfb580fa250072351609
Manifest21294be8d10a96776be50717ae62f599fc9f053287a7e43ffbac0f8884885fff

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
Signature2Rj6VttkIN7PyW6vn4r9oKdY/Dm1ZEicCqiKfEbuHObZRlYNCXkKsD/joT/elO731LFL4N2zIJR4m/1etaV9DA==
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

2026-09-17T11:02:32.965546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049578
observed 8d8b0ca87d2f7cf28a26896b07868971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:32.945503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049578/manifest.json
observed 21294be8d10a96776be50717ae62f599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:32.924223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049578/publication.md
observed 5049c5c20e690eaa555419a0ae1af0eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:32.905731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049578/publication.txt
observed 9f958ed8407d98d407e50bda9dad9862...
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.