OpenTechnical

OT-2026-000064686

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000064686) never changes.

Identity and time

Publication numberOT-2026-000064686 · never reused
Internal UUID01a0ae8d-deb9-77bb-ba9d-7099508b0256 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064686
StatusPUBLIC

Content hashes

Canonical textae91eb4734e22c6700a601251bb19a2d0673d37f38fdb5f737e3033a51b74889
Markdown410e6dbe9fb0d765ced22c3867969a91ab40f7813944ece2e9802485c36c806b
PDF
Publication page80a32e04614b40f0b81b7e96a97f66bcee02bc61e6e7efea6d06732ea34a8b44
Manifest446c6825f861379c72791604d2b367b8a0b4f4e1ebef7658929aaefcb4831527

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
Signaturek9vIOsf+9rllDMO+ENQjqYikrBMELGhES2C29WLB2pXOjzMC0LTBUty3sdmYM+DqTnm/c/YVltRnejffjO35Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:28.989650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064686
observed 80a32e04614b40f0b81b7e96a97f66bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.973587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064686/manifest.json
observed 446c6825f861379c72791604d2b367b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.955898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064686/publication.md
observed 410e6dbe9fb0d765ced22c3867969a91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.938157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064686/publication.txt
observed ae91eb4734e22c6700a601251bb19a2d...
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.