OpenTechnical

OT-2026-000017764

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000017764) never changes.

Identity and time

Publication numberOT-2026-000017764 · never reused
Internal UUID01a0ae6e-96fa-72e3-b6ea-f1bb75768358 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017764
StatusPUBLIC

Content hashes

Canonical text9b3880a926ee975a23d00171aeb06203cd937ce6af3ce838c9803985dc4d70b9
Markdown2ea74ecb82579321728ae515f13cb38d52de3835144b6241eeee04977854d0b1
PDF
Publication page4dc1a1c568b83f77c8f3c3db267f40f633a62f98f720c37edbd153d630f73a15
Manifest8677fb74c00b5fe24b48e48043eed7191dbe9b70a0e281f685c9583003b4a60a

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
SignatureLkDkgODzzjXFfzCzalckjIW0HP6oC9tekjxnEvbBjopWKGwWA3XweE8XJkcC+HUZm4bwn62DI5eTiyQg7hpQCA==
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

2026-09-17T12:01:43.247650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017764
observed 4dc1a1c568b83f77c8f3c3db267f40f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:43.230563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017764/manifest.json
observed 8677fb74c00b5fe24b48e48043eed719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:43.214049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017764/publication.md
observed 2ea74ecb82579321728ae515f13cb38d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:43.197735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017764/publication.txt
observed 9b3880a926ee975a23d00171aeb06203...
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.