OpenTechnical

OT-2026-000023129

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, sustained 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-2026-000023129) never changes.

Identity and time

Publication numberOT-2026-000023129 · never reused
Internal UUID01a0ae70-7266-715b-8c31-b96b8e4d5143 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023129
StatusPUBLIC

Content hashes

Canonical text052a7a66b8fbfc652f7bc95a06f23d9a7648860f941369b45254c271fb5eb52a
Markdown59ff952dc5dbf0bb3350d9524e5979b911b47e3f0751b1d84fc7644319274808
PDF
Publication page609a4dca87b0b65053947f692b706a98eec57161d0d31eb82be842d8c24d51f1
Manifest85c2e6a68fd2184cdded4e9147825ce302d1b49ff9dbe3f4c23600950b73dc22

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
Signaturef9miAtAzRkS+2xUfV7Ze1sbBJC3egI3q9pVdTS3zfNSNjWLITqYj8g36DHLkkjb5/KovZbiCdP2OLZPTYNP8CQ==
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

2026-09-17T11:51:03.540894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023129
observed 609a4dca87b0b65053947f692b706a98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:03.523965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023129/manifest.json
observed 85c2e6a68fd2184cdded4e9147825ce3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:03.505050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023129/publication.md
observed 59ff952dc5dbf0bb3350d9524e5979b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:03.489106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023129/publication.txt
observed 052a7a66b8fbfc652f7bc95a06f23d9a...
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.