OpenTechnical

OT-2026-000043009

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, sustained blow-off after set-down, on a tool changer

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-2026-000043009) never changes.

Identity and time

Publication numberOT-2026-000043009 · never reused
Internal UUID01a0ae7b-3278-7979-9994-ee0355365cb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043009
StatusPUBLIC

Content hashes

Canonical textc9d4a2fe7ed2f18b33cc453843b3fa63b2d9e6dd5462a43942c32205ba9d76c7
Markdown35e94d6910861deeb5077887ec93a060078bf17fb26886db2fe1c6014cb19321
PDF
Publication pagefb562206bb50cb380e7ae695cd8a88cfcb000835f7a2f46ead90789e747c162b
Manifestbb35e57cec6d77ff146f3a523cb5547c997e5f6c82e145b101cdc106f451f809

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
SignatureXEuvNbGrPt4sMEQ2f+p3O7Ew0FF5HIXLPUCL7HS6rRW8ws3JdOT4sYwxfv9UBt5lUw6CPECmDlFHXBNh0tIvBw==
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

2026-09-17T11:13:19.196051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043009
observed fb562206bb50cb380e7ae695cd8a88cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.177346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043009/manifest.json
observed bb35e57cec6d77ff146f3a523cb5547c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.156821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043009/publication.md
observed 35e94d6910861deeb5077887ec93a060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.136565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043009/publication.txt
observed c9d4a2fe7ed2f18b33cc453843b3fa63...
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.