OpenTechnical

OT-2026-000014887

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off before set-down

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-2026-000014887) never changes.

Identity and time

Publication numberOT-2026-000014887 · never reused
Internal UUID01a0ae6d-d095-7f1f-bf59-e819b0744bee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014887
StatusPUBLIC

Content hashes

Canonical texta935f74348bd3b92ecaf057a7bbb6ac9e84b520dad8a5e207afa578b8139cb9b
Markdownfabfc9989cdffdd0b5d5738231231ddc2f232ac3b419678cf76a33caf6b1ff9a
PDF
Publication pagee5e1c4b6384495396f10467555edd9e8523e5ac8760ba47a1fb0e4403a475fea
Manifest07262442e9c1e0215b301606a061481aa072ffb34cb60047ba50625b84cc7df5

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
Signature+7qoUBagq0D4AZS3CRcGSkOFz5StxPh+k75POSQu2gzNhgOx8vKEvFudrTnx60iauYqC9Ik8uGykZh/JOQsmAg==
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

2026-09-17T12:06:48.831167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014887
observed e5e1c4b6384495396f10467555edd9e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:48.814396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014887/manifest.json
observed 07262442e9c1e0215b301606a061481a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:48.796003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014887/publication.md
observed fabfc9989cdffdd0b5d5738231231ddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:48.778193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014887/publication.txt
observed a935f74348bd3b92ecaf057a7bbb6ac9...
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.