OpenTechnical

OT-2026-000040407

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two 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-2026-000040407) never changes.

Identity and time

Publication numberOT-2026-000040407 · never reused
Internal UUID01a0ae79-2701-7eab-9363-e5b283d42e4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040407
StatusPUBLIC

Content hashes

Canonical text4fc49a10bd6b180c58b4169a14106ffab6c933d96eb20e43e4a784f8a5d3b418
Markdownd111beac09e349f67975720d6430f1eb6f55057d9b059b1b6415197665c239d1
PDF
Publication pagedabceb2b0181df355faaec53b85de130a1e9fe936fa36b1fbf16249e22b1506c
Manifest18ebcc525db7c7e3a74489b43143eaf8ad72ade7b129cd1f74818f196d4336a6

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
SignatureYkQrylkhp5DUJLmkFkNCLWKBLqT7R6Go+fWFjFYLsnMZNjfWYxnXzSrldgUknlQ2H4L05HnKsPBXNgOp7IG8Cw==
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

2026-09-17T11:19:26.448044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040407
observed dabceb2b0181df355faaec53b85de130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:26.430027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040407/manifest.json
observed 18ebcc525db7c7e3a74489b43143eaf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:26.412046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040407/publication.md
observed d111beac09e349f67975720d6430f1eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:26.395074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040407/publication.txt
observed 4fc49a10bd6b180c58b4169a14106ffa...
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.