OpenTechnical

OT-2026-000025259

Publication integrity record

Four cup vacuum gripper, four zone face, four 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-2026-000025259) never changes.

Identity and time

Publication numberOT-2026-000025259 · never reused
Internal UUID01a0ae71-5fa6-7dfc-8456-70db421f869c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025259
StatusPUBLIC

Content hashes

Canonical text72dbf4d5c0372db2fe629831709e938d3b272959efdc7550bee9cadc3e5e6481
Markdown2a07b955c2ab3f5b01237386f7a12a1f0c4ae6d5bae893966dc6319e78735ac7
PDF
Publication pagecc31354c50f5af3e8b01d610297a5b1e03f54d0479bfe0e58d92d5b5b55ac287
Manifesta625873f034ca96783a62dc70190f95f51760afdd8b7e85e0c663d7b5ce0937e

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
SignaturefvEipfH6xsZ9Yo0ZvwX/FdWrsB0amhF2O7d0EeASfh4DmiV1isbcyhEtPxnSbvw9p6VrCgfA8g+nujUxKmqzBQ==
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

2026-09-17T11:47:16.051192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025259
observed cc31354c50f5af3e8b01d610297a5b1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:16.033684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025259/manifest.json
observed a625873f034ca96783a62dc70190f95f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:16.015028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025259/publication.md
observed 2a07b955c2ab3f5b01237386f7a12a1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:15.995768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025259/publication.txt
observed 72dbf4d5c0372db2fe629831709e938d...
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.