OpenTechnical

OT-2026-000022945

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two 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-2026-000022945) never changes.

Identity and time

Publication numberOT-2026-000022945 · never reused
Internal UUID01a0ae70-46ec-78ff-b0af-bb76b7403ba0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022945
StatusPUBLIC

Content hashes

Canonical textfb03d01c3580418b01e4d6e951044e2c00fe469286036dd1d185ee5edb5667fe
Markdown650d3470f2a5563f320d7e5e9c1307e84359c661641ed7c60969a90b75e1d7b8
PDF
Publication page5af0b2104c200f668cd3ef8fee5abf75f4f26a5ff57bf888005c542bd4a4731b
Manifest9bb94f1fa989c237cca48ec550d5060192bf2a3d3edcd4ba7be55a7a0ecb8b1a

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
SignatureiCjOewn4X2O5M4pWW5jdKDpBGTsEPzCavdGvLyng+TrzBtQgo5CQqwfxfK/9YFkyq49VjubV26alVKCZ5Sd7CA==
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

2026-09-17T11:52:31.662119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022945
observed 5af0b2104c200f668cd3ef8fee5abf75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:31.641159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022945/manifest.json
observed 9bb94f1fa989c237cca48ec550d50601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:31.623725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022945/publication.md
observed 650d3470f2a5563f320d7e5e9c1307e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:31.605727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022945/publication.txt
observed fb03d01c3580418b01e4d6e951044e2c...
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.