OpenTechnical

OT-2026-000029471

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000029471) never changes.

Identity and time

Publication numberOT-2026-000029471 · never reused
Internal UUID01a0ae73-5e21-754c-82e7-6f5da132cc02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029471
StatusPUBLIC

Content hashes

Canonical text266a4161d7eabb9ff16faaa7dcacb0d3284584278384a70f63d03a8ab444c671
Markdownaf6a9db7b9de6ccde5b2d16259c9c3c77c22c3673758d1e1d5ee6f42667e5eec
PDF
Publication pageecaae667cc0d7b331d06306480d4a00d174c56926dbc33e56207eaada24fdd5f
Manifeste4730e412ba4dc2bee8502cad8328ece04a1917da20236348aa16856996a5387

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
SignaturehPUNW4vX5EqfMm+N/t4JXTb+DFAsh3H1W7aDk5E6qtvuDHg7IOzmD2g2DtIz9CaUnSZYvObgysUfhRIi1fyLDw==
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

2026-09-17T11:39:05.754747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029471
observed ecaae667cc0d7b331d06306480d4a00d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.736614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029471/manifest.json
observed e4730e412ba4dc2bee8502cad8328ece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.718518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029471/publication.md
observed af6a9db7b9de6ccde5b2d16259c9c3c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.700378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029471/publication.txt
observed 266a4161d7eabb9ff16faaa7dcacb0d3...
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.