OpenTechnical

OT-2026-000040491

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three 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-2026-000040491) never changes.

Identity and time

Publication numberOT-2026-000040491 · never reused
Internal UUID01a0ae79-2702-77e4-b5ae-30f3504ffd87 · 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-2026-000040491
StatusPUBLIC

Content hashes

Canonical textaf6684287763139f213ddffe865e67636c6414e2576cdb7f01f2a06883353704
Markdownd438314c42a2778b2ef0840deb9e48bd378f591c6ce57d1b9155184b8d409d00
PDF
Publication page49cea34c2132fb9360abd03616da9666e47ab926f620aaa0eae693572bf0a3ec
Manifestea66120145cbc123ecefb96988c4d1ae487bb230d2e3d16ed5cf0c54d7d0f942

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
SignatureybPwtYKzRZJ2nJ3/x1UyZTbiWvDdEqlzy1Thfq390v2fHp+VANHo/HdnVN3t1rqCNo64x2q8C1o3uXkKEVX9Ag==
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

2026-09-17T11:19:32.368178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040491
observed 49cea34c2132fb9360abd03616da9666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:32.348990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040491/manifest.json
observed ea66120145cbc123ecefb96988c4d1ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:32.330031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040491/publication.md
observed d438314c42a2778b2ef0840deb9e48bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:32.312709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040491/publication.txt
observed af6684287763139f213ddffe865e6763...
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.