OpenTechnical

OT-2026-000050162

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000050162) never changes.

Identity and time

Publication numberOT-2026-000050162 · never reused
Internal UUID01a0ae82-5c45-7ce1-b65d-2b601d0f6ab9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050162
StatusPUBLIC

Content hashes

Canonical textbfd5cbd5e97daf48233d96e0125ce3c302fe04b7e24375595c9e885538cca598
Markdown11d9a622547bbc8a83b8ff45233555d7f98d93aae644a7237af7ca2bcae98a9f
PDF
Publication page64f74bff6b1198c1fa1b79b79a4a137121f37f6d4d529feeab2558e3eeb49147
Manifest4563cb71f6ca248755768d4603049e302e3025ab418de83a0f1963a5855f7d1d

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
SignatureRyZ8r2eI7WMmU7dEPytrKFios6anK8J3SUA1zhczrSmYmeMdYgnMzLOzzhM7tXtvy1PzfIyO2cW05wU9v/YvCg==
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

2026-09-17T11:01:08.353381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050162
observed 64f74bff6b1198c1fa1b79b79a4a1371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:08.334849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050162/manifest.json
observed 4563cb71f6ca248755768d4603049e30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:08.280088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050162/publication.md
observed 11d9a622547bbc8a83b8ff45233555d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:08.225436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050162/publication.txt
observed bfd5cbd5e97daf48233d96e0125ce3c3...
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.