OpenTechnical

OT-2026-000019346

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000019346) never changes.

Identity and time

Publication numberOT-2026-000019346 · never reused
Internal UUID01a0ae6e-f392-7459-8063-424433073941 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019346
StatusPUBLIC

Content hashes

Canonical textb80e437528c28409255f6cfce235151fb6752bfd4dfe82bf4708ee6be1248d46
Markdown10bc9db34eff0f7031a174a33dc9126adacab84309bd60be69a20cec2a4d5011
PDF
Publication page9f0e28149e3d03052ad54f30d46bff5423f320bed8c3d42bb4bad33e6840a611
Manifest7f57f751d9cefa20c3939be0cfa36362a54e9798df51f6618685198b16f41204

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
SignaturebdERKH6JF7jRGyEO1VUv+OJ0r2JMGDaVqR6tVVSv2ydQWGCOkcTNcCoJVIvHX1WM4FfyCPLlH4s1wq9CUi3lBQ==
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

2026-09-17T11:58:43.257132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019346
observed 9f0e28149e3d03052ad54f30d46bff54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:43.239358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019346/manifest.json
observed 7f57f751d9cefa20c3939be0cfa36362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:43.221543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019346/publication.md
observed 10bc9db34eff0f7031a174a33dc9126a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:43.202296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019346/publication.txt
observed b80e437528c28409255f6cfce235151f...
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.