OpenTechnical

OT-2026-000017683

Publication integrity record

Four bellows 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-2026-000017683) never changes.

Identity and time

Publication numberOT-2026-000017683 · never reused
Internal UUID01a0ae6e-96fa-77c8-920e-9460256d8664 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017683
StatusPUBLIC

Content hashes

Canonical text67f4c0f38a71199c06237824ebfaee310a9d2ef941c9487acf58a77f17bbd090
Markdownc7ac931d5747be8176eb611c3fc44c69468387bba8e038a523c399188ec22730
PDF
Publication page13eb3096cf3f7320956ab691ea268cd935c9e9f86e274ce07c593dc0e28318bf
Manifest25e9f129e0fc932a86a8a68cf0a77b889df9c5b94e7bc2bf55ae1891b374676d

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
SignatureHrc7k5yebYmXsW3C0FSKTQ1MNKau/IUVzidDo3iMCAXyRzQnWDegew7qxu2ZjnLbVWNHWaHM0X1i6zXIitWZBA==
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

2026-09-17T12:01:37.451927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017683
observed 13eb3096cf3f7320956ab691ea268cd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:37.433187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017683/manifest.json
observed 25e9f129e0fc932a86a8a68cf0a77b88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:37.415844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017683/publication.md
observed c7ac931d5747be8176eb611c3fc44c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:37.397219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017683/publication.txt
observed 67f4c0f38a71199c06237824ebfaee31...
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.