OpenTechnical

OT-2026-000087080

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000087080) never changes.

Identity and time

Publication numberOT-2026-000087080 · never reused
Internal UUID01a0ae9a-9f2d-7574-af33-eb70ce08749f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087080
StatusPUBLIC

Content hashes

Canonical text04325b3372953a46622119f706e3713f5f486561268355072370cdd15bd3f21a
Markdown1ee01416ff24c11e643a7aea34cb395e1e022de2fd8046d57567407fcf69e2fd
PDF
Publication pageec82340ba5a1753ef9cc3fb170e7d0fd6c9d13fa24cad015c738c45ad1788e29
Manifestf37a059bdae085d3f5127bc94fcd7043ff7e4f5ef9ca3f8dfed620eaf23f399d

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
SignaturetIR6+r2CXPACXbbhARLAcuo2d7YY0USMbMr2BeyeHpnbc6rOmhAZXs3H+Q/+nMhAugNB5ewzGLpAmwTEf8etAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:20.367731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087080
observed ec82340ba5a1753ef9cc3fb170e7d0fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:20.352481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087080/manifest.json
observed f37a059bdae085d3f5127bc94fcd7043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:20.335124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087080/publication.md
observed 1ee01416ff24c11e643a7aea34cb395e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:20.319125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087080/publication.txt
observed 04325b3372953a46622119f706e3713f...
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.