OpenTechnical

OT-2026-000045448

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000045448) never changes.

Identity and time

Publication numberOT-2026-000045448 · never reused
Internal UUID01a0ae7c-f76d-74d5-b167-aaf7e6baa53f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045448
StatusPUBLIC

Content hashes

Canonical textb8e7abc706481a94798c8302ba2c84035acbe7ad5de9d5621ce0804445913b64
Markdown95680edc61cb9f4e31c07850d7d6ec086f2841dc5e50b212249f4bf73968fe06
PDF
Publication page8b036531f58ef7c9539d17b98ca685c3a7a360bd6c52ecfbb8a0f36a959d0b20
Manifest7f23e7cf47d38efeae48b8e11e44e6be2d88e1c0e1e8db7c97ccc5a70e6e3fdd

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
SignaturewOJqfipJgXd7sZJSxHRYw0Cy0wsoMeb7uIwDMULNu4ji6nYeXGA76+WNvfAQwugbScanjj3S7E8oxTjtDuaQAg==
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

2026-09-17T11:10:45.013213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045448
observed 8b036531f58ef7c9539d17b98ca685c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:44.994377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045448/manifest.json
observed 7f23e7cf47d38efeae48b8e11e44e6be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:44.975146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045448/publication.md
observed 95680edc61cb9f4e31c07850d7d6ec08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:44.947388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045448/publication.txt
observed b8e7abc706481a94798c8302ba2c8403...
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.