OpenTechnical

OT-2026-000019464

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000019464) never changes.

Identity and time

Publication numberOT-2026-000019464 · never reused
Internal UUID01a0ae6e-f393-73ee-808c-22ce21624c47 · 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-2026-000019464
StatusPUBLIC

Content hashes

Canonical text01d9dcf13487125f9d5d23f25b1807e69362e161212b6dcfd6cf249a11055c6e
Markdown0540d263408506304ef83dedaa0c26fd498b411354cc747a8e566b15ded53632
PDF
Publication pagea02d50d3424bd428ca30731ef0eb418d63a25c2320145e7294c04c66a8c955e5
Manifest432dc17db88ae5a180bb1f214594549a208c7cd58d629ded78adbc4dc69d3511

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
SignatureWMkGi5c3mVcpLZ5x9zc9Qio/9TA2nnUq801KUM69p/YrhXk8Up6wqldo4RkqiNxt20mZfZz+ZvphF2O7kIzNBQ==
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

2026-09-17T11:58:52.142918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019464
observed a02d50d3424bd428ca30731ef0eb418d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:52.124344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019464/manifest.json
observed 432dc17db88ae5a180bb1f214594549a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:52.107421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019464/publication.md
observed 0540d263408506304ef83dedaa0c26fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:52.088706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019464/publication.txt
observed 01d9dcf13487125f9d5d23f25b1807e6...
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.