OpenTechnical

OT-2026-000033071

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pulsed blow-off before 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-2026-000033071) never changes.

Identity and time

Publication numberOT-2026-000033071 · never reused
Internal UUID01a0ae75-4843-7abb-a97c-87ce7cfea766 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033071
StatusPUBLIC

Content hashes

Canonical text1a3f42aea4b67fa4464988821909c05ee30811025d389a3876375b6395a8d1d0
Markdownce456c5ac91f79f954e41c02e862b411061c4e0485b6f2855b5dc418daa2282b
PDF
Publication pagee07dcb4d950b78c12aaadbecb66a21ca72fa78a4c1f907e3d165698592cff43f
Manifest28231e8e3b86bfa41a04ef3b6f95b02cfcd74b9bacb8082b1246a9c5b429b05e

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
SignatureAkDqNHGEyzXxgZcmP9dNmm4aJD/AeWwIZ2Vj7n+TFvb2vZLxJ0ThBD0E1OWk9Sgi5hy0MuBb3Rr/zTXb6bTcCQ==
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

2026-09-17T11:32:42.969710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033071
observed e07dcb4d950b78c12aaadbecb66a21ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:42.952526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033071/manifest.json
observed 28231e8e3b86bfa41a04ef3b6f95b02c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:42.933948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033071/publication.md
observed ce456c5ac91f79f954e41c02e862b411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:42.916175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033071/publication.txt
observed 1a3f42aea4b67fa4464988821909c05e...
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.