OpenTechnical

OT-2026-000043582

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, sustained 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-2026-000043582) never changes.

Identity and time

Publication numberOT-2026-000043582 · never reused
Internal UUID01a0ae7b-92cf-7ae7-b9d2-660c0b720c1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043582
StatusPUBLIC

Content hashes

Canonical texte26e584dd0ad432369fd93d10bfd6400f8f1b544debf2e936e553aab20464b10
Markdowna2ea971fca596aac3b0768d8b271ed396e0c638391f3549f6981f0deba039482
PDF
Publication page87af7447977be4d15b08debfe882672254afb40298f315e5149eca630907daa0
Manifest850ca2fcb4a5a3a2d29487b74e411a034c02ceeeb9942522dc131b59d7812af0

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
Signatureh+jINqVWQ5oqcZmxhwIOglQDn8hiERCqa4PCcckLoO1vShRc9PJdobjh1uGR+M4f+Imy1khx7STo8nv2dVGIBA==
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

2026-09-17T11:12:58.887871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043582
observed 87af7447977be4d15b08debfe8826722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:58.869823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043582/manifest.json
observed 850ca2fcb4a5a3a2d29487b74e411a03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:58.850980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043582/publication.md
observed a2ea971fca596aac3b0768d8b271ed39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:58.830728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043582/publication.txt
observed e26e584dd0ad432369fd93d10bfd6400...
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.