OpenTechnical

OT-2026-000043444

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000043444) never changes.

Identity and time

Publication numberOT-2026-000043444 · never reused
Internal UUID01a0ae7b-327f-79c0-88cb-ce90c23ccd2f · 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-2026-000043444
StatusPUBLIC

Content hashes

Canonical texte536857c35ffe91c45acd547fbb26cd13c57693e45fc6d9614d1ed14a570b2ee
Markdown68d4ef24cf65fdfc8fc0cdfec93e1986aa1cc0e0693ed1d808a92d9a36a52479
PDF
Publication page8266c2ea8eb8fb3d0c7fe3b43b465bf11b1c9540b6f0d6f46b587f911d29111d
Manifest4ef7b7e6b423c1f616c4f2924932af7681e8971c7e6c5b38a8ce5c2dbce0bf46

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
Signature6ywsXTHJIPYzJgTzvPMbenSBQ+d7sodQBojmx3xsOyfCJ/M+sPyK2gdzVgXiRf1sg8Z78Ac3PXE3Tl2TYaU2DA==
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

2026-09-17T11:13:59.630444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043444
observed 8266c2ea8eb8fb3d0c7fe3b43b465bf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.612807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043444/manifest.json
observed 4ef7b7e6b423c1f616c4f2924932af76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.593947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043444/publication.md
observed 68d4ef24cf65fdfc8fc0cdfec93e1986...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.575444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043444/publication.txt
observed e536857c35ffe91c45acd547fbb26cd1...
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.