OpenTechnical

OT-2026-000042826

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained blow-off after set-down

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-2026-000042826) never changes.

Identity and time

Publication numberOT-2026-000042826 · never reused
Internal UUID01a0ae7a-c0d0-7ece-a4b9-c5df72328417 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042826
StatusPUBLIC

Content hashes

Canonical text90e10ec3e42c65e013aea042dbe77260961557e5af41c36bffe442e8342f6be1
Markdown421206b5e2980f13b4ac9091921b3cae3240a67e88ad6ca1634de8f15e6c7966
PDF
Publication page8d8fe70cbacdeb257e18273f22b732899361d9cedd5d79316035a50825b78398
Manifestcf5e03579ca3dc68b27641b1fda65feeb5579da9dd1ea482d66feeb81ed7fabc

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
Signature5DM3xcal8bXXhj2+PJ3M4rZ9iqz+FRu/HsYbB7fZOlwLxU+2q52vc+wItQKAorpykKAoZMwFuoPVw0Ha7xPODA==
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

2026-09-17T11:15:18.393573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042826
observed 8d8fe70cbacdeb257e18273f22b73289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:18.375333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042826/manifest.json
observed cf5e03579ca3dc68b27641b1fda65fee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:18.356277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042826/publication.md
observed 421206b5e2980f13b4ac9091921b3cae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:18.338029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042826/publication.txt
observed 90e10ec3e42c65e013aea042dbe77260...
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.