OpenTechnical

OT-2026-000085735

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, sustained 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-2026-000085735) never changes.

Identity and time

Publication numberOT-2026-000085735 · never reused
Internal UUID01a0ae99-aaae-77a4-8489-0d5ac8d88622 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085735
StatusPUBLIC

Content hashes

Canonical textaae3f324a8ed2fa9244de67ea2c8470017a9a91b7ca3e1065fef194e9a06eecb
Markdowne2f5416ee1b51bf8e84d2686ced497775c820254cc36cad4c9f7fc443fb4af10
PDF
Publication page2cd9c08177a61ddda82e274a0614188151ad6cc62f434b8c5b9cdba7d9eb4b00
Manifest5b68ea65ed6dc5cacd7a7ff146c02663c51dae1b397054b94ebbd7a46ba4684f

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
SignatureakDzwd6TlF4JS8gf6SAkskVqFCkjwMDEbvgVMKeFVVRI4XXu+kXjkTVKcW7FSjAOoE7gfIlvXV5QXpKZXMCXAw==
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

2026-09-17T09:54:38.941780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085735
observed 2cd9c08177a61ddda82e274a06141881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:38.923873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085735/manifest.json
observed 5b68ea65ed6dc5cacd7a7ff146c02663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:38.905669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085735/publication.md
observed e2f5416ee1b51bf8e84d2686ced49777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:38.888244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085735/publication.txt
observed aae3f324a8ed2fa9244de67ea2c84700...
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.