OpenTechnical

OT-2026-000018467

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six 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-2026-000018467) never changes.

Identity and time

Publication numberOT-2026-000018467 · never reused
Internal UUID01a0ae6e-b48a-7359-94a0-0d9e8bb6941e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018467
StatusPUBLIC

Content hashes

Canonical text127b8b1e3274cfabddde854e055e25c92eac1bc16b107434dadd8c297f08382f
Markdown25e9f9c562e2f101d5dd8dbafbb72c0a3065b80743b12d3308f2288fe06ff153
PDF
Publication page2268bac5c8d6d9e7d92061d840a380dfe7fc6aabadb321f8c035afdadd394090
Manifestd75d1fd71803ecebc962c24da0e28d95dfae5f2b9d1c102cee4f90f57f391c0e

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
SignatureLBwhJHkblvgZ+qe7rJjRGoiJ84VyxB0lx2z09PNU3WT/7ZfvaDwZzk+QK+DoPRwhfh4nFzlqAkikIwas1GLZAQ==
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

2026-09-17T12:01:13.362641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018467
observed 2268bac5c8d6d9e7d92061d840a380df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.346636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018467/manifest.json
observed d75d1fd71803ecebc962c24da0e28d95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.328534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018467/publication.md
observed 25e9f9c562e2f101d5dd8dbafbb72c0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.311363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018467/publication.txt
observed 127b8b1e3274cfabddde854e055e25c9...
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.