OpenTechnical

OT-2026-000030188

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, sustained 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-2026-000030188) never changes.

Identity and time

Publication numberOT-2026-000030188 · never reused
Internal UUID01a0ae73-e500-7c7c-bc9f-a7d6327b7b11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030188
StatusPUBLIC

Content hashes

Canonical text39c9a223af4544f2cc2e66db2f8a15b4cc07653d052164f297480be01d7bf27f
Markdownc3af7e0aed08feebca06faf9fccb5fbf1481d1318dc9f42f98d9d69916abf2ac
PDF
Publication page26db67e94dd6396770920421ed08fb4f843ebc6ebc8052ed22b93578b39d3945
Manifest529747bdcde407d25ace5215fec0cce55e9933494fb9c874baad689409b2de9f

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+JLKRng7C9h5Ae5yyiUDh312Wc9Rf77JkJv6bK0e13yp8s54DUz4JLEOKjbDvpixjs7r1wwnIbnWu4TstsFsAg==
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

2026-09-17T11:40:33.249185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030188
observed 26db67e94dd6396770920421ed08fb4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:33.230724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030188/manifest.json
observed 529747bdcde407d25ace5215fec0cce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:33.207819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030188/publication.md
observed c3af7e0aed08feebca06faf9fccb5fbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:33.190884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030188/publication.txt
observed 39c9a223af4544f2cc2e66db2f8a15b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:49.591493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030188
observed 26db67e94dd6396770920421ed08fb4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:49.570591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030188/manifest.json
observed 529747bdcde407d25ace5215fec0cce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:49.553398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030188/publication.md
observed c3af7e0aed08feebca06faf9fccb5fbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:49.534499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030188/publication.txt
observed 39c9a223af4544f2cc2e66db2f8a15b4...
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.