OpenTechnical

OT-2026-000019522

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000019522) never changes.

Identity and time

Publication numberOT-2026-000019522 · never reused
Internal UUID01a0ae6e-f393-7a6c-b09e-7c6c989024c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019522
StatusPUBLIC

Content hashes

Canonical text19a9a6d76dee81fb9035f26ef5b9e96f1e25aa10b968537c1efde3f41a359d57
Markdowne2668118ba4f70e7fd2f60989e4c5da556475945a461cb77e84e91eb46ead76c
PDF
Publication page49a326cb692ec364ea10ccfde471125e0d8534f04c458d42ad0c480cc4d86d74
Manifesta8509efe8878eacac4dcca788d5a8196f66a71356730606768d3bcf623c0d37a

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
SignatureI9gH5usFWFXdoCVcqpiFEGsV2aUEITtp5Vvr2JJl0+nsS/niA0JlPBPI8t2am6CRi+yVoRP/z1s5/XZpJfeABQ==
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

2026-09-17T11:58:57.480677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019522
observed 49a326cb692ec364ea10ccfde471125e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:57.462264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019522/manifest.json
observed a8509efe8878eacac4dcca788d5a8196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:57.444646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019522/publication.md
observed e2668118ba4f70e7fd2f60989e4c5da5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:57.424480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019522/publication.txt
observed 19a9a6d76dee81fb9035f26ef5b9e96f...
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.