OpenTechnical

OT-2026-000006019

Publication integrity record

Porous face vacuum gripper, common isolation valve, two outlet manifold, two stage ejector, contact triggered

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-2026-000006019) never changes.

Identity and time

Publication numberOT-2026-000006019 · never reused
Internal UUID01a0a94c-7595-7115-8e0e-b2fd13d19086 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:19:15.480334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006019
StatusPUBLIC

Content hashes

Canonical textd215a7de8e6e25acedf02492cfaf666151c11128b521d81856ac1ee9199cdc3a
Markdown86705722701c07c6e28c1757a223e15420a44954201cf6b0e5d782921abbccb4
PDF
Publication pageab0a754d1ee66c8e3921b324af3925e8bfb6ede7b038e2a34d1ce2ec90414b42
Manifest29aee8fdf3899b7ed2aaeb6315e39e9ba69b10fbd7b6141cdc7dc66c1709cf60

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
Signaturev6yenIFmdWUm39MIZZsfmystkuwt2+k9eOKX/e7lsqx1FkntHvFNMVDgolxgQ6LM+s7pdjwRtPAb1yQe5DEOCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:04.942587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006019
observed ab0a754d1ee66c8e3921b324af3925e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:04.930718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006019/manifest.json
observed 29aee8fdf3899b7ed2aaeb6315e39e9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:04.918004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006019/publication.md
observed 86705722701c07c6e28c1757a223e154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:04.899405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006019/publication.txt
observed d215a7de8e6e25acedf02492cfaf6661...
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.