OpenTechnical

OT-2026-000019022

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000019022) never changes.

Identity and time

Publication numberOT-2026-000019022 · never reused
Internal UUID01a0ae6e-d523-7d22-8ba5-13036229576a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019022
StatusPUBLIC

Content hashes

Canonical text4432de6073ade3bf6d73fe081e28c7e2dab2ca611db3e1c4bef7b72c4d04d61a
Markdowne3b057a7b503262c2d65e3c82e2c7ab2d1b6753060c3786ba9a54eeafe3a0714
PDF
Publication pageae14d038db3c9f752cb7006538fd455600f9b158ab59985429ddb9f8b75c5935
Manifest693849ebf854dffee1432eedaadeac7e99e2c1f1cee9bf9cdf60d746c4459fd8

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
SignatureHbeDg6S8UWpjJCVsvQFOXZZpKSRc2Om6+PA3HfMt9/2zQXz1Ctc9P0bthkLhlOMjpwryIf8DpvHj57PagP+QAw==
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

2026-09-17T11:59:42.788686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019022
observed ae14d038db3c9f752cb7006538fd4556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:42.768677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019022/manifest.json
observed 693849ebf854dffee1432eedaadeac7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:42.752161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019022/publication.md
observed e3b057a7b503262c2d65e3c82e2c7ab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:42.735507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019022/publication.txt
observed 4432de6073ade3bf6d73fe081e28c7e2...
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.