OpenTechnical

OT-2026-000023147

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000023147) never changes.

Identity and time

Publication numberOT-2026-000023147 · never reused
Internal UUID01a0ae70-7266-7f8e-96d2-2c8244332e28 · 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-2026-000023147
StatusPUBLIC

Content hashes

Canonical text0eecd56ba798967a8d979f8cab62af12de006352927f27f50a092a80760c650d
Markdownde5a4e5e8f80e0954b61157f621b9e57263161be86683f563ef26b8c0d2e4244
PDF
Publication page49a5838ed4003279a1e7f26496638fbf9de033ff09819c7068cd8910b8423dd0
Manifest6e1db4a508e39a344ce931cd617fb8a20dc5a6b3c1057e97c1199b5e5106b49f

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
Signatureh8/Hy5rtaYISJ6FIpTSn7cwHbQhJ5ltAc7E3sai4pXOZRIXW8CPUgmB8OvsSZ9M86tbsNHBlO7mw4N2Ns6XABQ==
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

2026-09-17T11:51:05.012148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023147
observed 49a5838ed4003279a1e7f26496638fbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.991101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023147/manifest.json
observed 6e1db4a508e39a344ce931cd617fb8a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.968048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023147/publication.md
observed de5a4e5e8f80e0954b61157f621b9e57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.948609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023147/publication.txt
observed 0eecd56ba798967a8d979f8cab62af12...
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.