OpenTechnical

OT-2026-000029364

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-2026-000029364) never changes.

Identity and time

Publication numberOT-2026-000029364 · never reused
Internal UUID01a0ae73-5e20-7294-87e8-05eda9fa2b83 · 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-2026-000029364
StatusPUBLIC

Content hashes

Canonical text74b4a412282aa35a7baa25326158101dea9a41f06f6e11a0658328d97bb1dad1
Markdownf70b92698dfb469efeecbbc10c1e0040e44b27e60ec05fe0065358f376529039
PDF
Publication paged85b6b66c7dce2a1a00e60668f98a8d34e73374ccc7f4f50462a133eca6cbe3f
Manifest5f5a55bd90e1c69cbe15b7151c4e5338789089829857c41f96581155e8477562

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
Signature4tBcBzGAtFpazPVUtdApur0gTkx0BZuxYshprQ3oG7ChEp+PECMtg8nYs5N/ui+DOA1u5X0LRWKfiAPv4wOwBg==
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

2026-09-17T11:38:55.404706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029364
observed d85b6b66c7dce2a1a00e60668f98a8d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.387774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029364/manifest.json
observed 5f5a55bd90e1c69cbe15b7151c4e5338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.367986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029364/publication.md
observed f70b92698dfb469efeecbbc10c1e0040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.350560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029364/publication.txt
observed 74b4a412282aa35a7baa25326158101d...
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.