OpenTechnical

OT-2026-000033050

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000033050) never changes.

Identity and time

Publication numberOT-2026-000033050 · never reused
Internal UUID01a0ae75-4843-7a65-9509-394e33ec14ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033050
StatusPUBLIC

Content hashes

Canonical text25318556611fa26eecec6634bb0b94c5902c0a2ee454fb6f1487b43e17c19c3a
Markdown8f97a8ed4ff9b163c3cc574f2024f5ae80bde27eccb66b5f2bd7a67c121ac145
PDF
Publication page4cc944840f4b31cdefea00f7d52f49858fd2eda03f102b82a28ebbb417e992e4
Manifestebb7f5981e32de16644c96013548b03587eda5a82c7ab818b7d24059a7c64dae

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
SignatureU4RQHtMWUy0FMhExdrAWRFj/yvcsRLF9VVFRkRsq8AZd30VUq9UtrZ6G6FAX9ivv6TIKLdOJGuDRvXxuEZoUDA==
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

2026-09-17T11:32:41.418936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033050
observed 4cc944840f4b31cdefea00f7d52f4985...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:41.402174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033050/manifest.json
observed ebb7f5981e32de16644c96013548b035...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:41.385335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033050/publication.md
observed 8f97a8ed4ff9b163c3cc574f2024f5ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:41.367443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033050/publication.txt
observed 25318556611fa26eecec6634bb0b94c5...
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.