OpenTechnical

OT-2026-000022034

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000022034) never changes.

Identity and time

Publication numberOT-2026-000022034 · never reused
Internal UUID01a0ae6f-bb5c-7cc9-be9a-1b70cc09ca21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022034
StatusPUBLIC

Content hashes

Canonical text0564fbda2f74f48e28a9c741a1239ff19fa1d454ed51a4bccd3f205fa5092855
Markdown281107381172c6e6398fc3f5ed7453ce5341be6149f32bc847544d5e785832ea
PDF
Publication pageb29c4093ca4e2d01e2361ff0f047739d6f86f1bc84ddd457fa5b2bcd2de39fea
Manifestab8923a0987f37c8fae36dca8fa355da026514145609895e1b40354126b91c97

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
SignatureTgEOiNHIRp9GjVrXtSjTI4NwZVflmGoflnhr4+saqMbTO0E6a+mjaQO31BsM9ki6EhkNHhSCe0M/PLiZptUmCA==
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

2026-09-17T11:54:43.299079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022034
observed b29c4093ca4e2d01e2361ff0f047739d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:43.280361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022034/manifest.json
observed ab8923a0987f37c8fae36dca8fa355da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:43.261955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022034/publication.md
observed 281107381172c6e6398fc3f5ed7453ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:43.242020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022034/publication.txt
observed 0564fbda2f74f48e28a9c741a1239ff1...
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.