OpenTechnical

OT-2026-000089304

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000089304) never changes.

Identity and time

Publication numberOT-2026-000089304 · never reused
Internal UUID01a0ae9b-db01-78bc-beb1-783fd6b64682 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089304
StatusPUBLIC

Content hashes

Canonical text120a732ad513f5d6acbfaf47ff0fd86e2b1df4aee7cf63d515f08588c266d944
Markdowne7bd70247500422fc12fd6ca971185f5885a70d4f4606e82cbd947f8388ea505
PDF
Publication page967e22939a1ff6cd60016698f5a0712a519d9df2286720ae734ea8f0fa5a74f7
Manifest2caa6c28182a8c0c042849d647d643813444002bb7c0f726485141195f8146c3

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
SignatureSv/2r+hH+WialPAqt99KRmqoTwP3lZMSW1jbAyD9iOqqgyrSXeR98DWOxpZl/NPpXrcuyCSokhetRXVfGPEtDw==
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

2026-09-17T09:47:16.854179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089304
observed 967e22939a1ff6cd60016698f5a0712a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.836473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089304/manifest.json
observed 2caa6c28182a8c0c042849d647d64381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.803728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089304/publication.md
observed e7bd70247500422fc12fd6ca971185f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.767897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089304/publication.txt
observed 120a732ad513f5d6acbfaf47ff0fd86e...
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.