OpenTechnical

OT-2026-000029352

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained blow-off before 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-2026-000029352) never changes.

Identity and time

Publication numberOT-2026-000029352 · never reused
Internal UUID01a0ae73-5e20-7593-b743-166151c9c165 · 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-2026-000029352
StatusPUBLIC

Content hashes

Canonical text06721122dc018e844ab5cb8eb444190595d48b6c476a9ce9cb0be96bd7a4060e
Markdownfdc2b3f3b8d876d356dc05663999d3d921048f58969d6c4f28d1d4a39c6376bb
PDF
Publication paged53602d144e234bb06f72ab1201e1fdd45d2f7f73a0e9e61798a2ed68583db13
Manifest6c27aca3dccf4381d3808d36c162bd19f8f73bf271fa503fbc7af8c74da461ec

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
SignatureLNLe5StG9TdiSGbsPkgPohwkWXwShGUqRwWFgcMISIoKdioQvEr9v6mZfqeHxdKjQ2IIw8tyuwmwsnb6iBOHCQ==
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

2026-09-17T11:38:54.393955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029352
observed d53602d144e234bb06f72ab1201e1fdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.373684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029352/manifest.json
observed 6c27aca3dccf4381d3808d36c162bd19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.355355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029352/publication.md
observed fdc2b3f3b8d876d356dc05663999d3d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.337029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029352/publication.txt
observed 06721122dc018e844ab5cb8eb4441905...
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.