OpenTechnical

OT-2026-000089473

Publication integrity record

Foam pad vacuum gripper, two zone face, three 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-2026-000089473) never changes.

Identity and time

Publication numberOT-2026-000089473 · never reused
Internal UUID01a0ae9b-db02-7f9d-9001-a5a99b22ff44 · 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-2026-000089473
StatusPUBLIC

Content hashes

Canonical text51e95d771f0165f223b0347d61f9e30a75acc8ad5a760808ded41fa3f9d7ab61
Markdownc23fcc3fb0ef3d90ac944ceabc11888886849837db03ddf4b8b7122c7c885eb0
PDF
Publication paged66f3a212d61d7d8df40c9a455f6eb72ae6981683c4946233c69971b0fc12f55
Manifest19868df982a529f2279fcc03e8106cf95ccc745a283af6a22913aec5504af8be

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
SignatureB0gAd25f9Z4xeNwvlDgLLhCLFL2wOnMxr1qOpnHbxZ30dbWYwxoJ/y6sCM/JKGTjawJyyd2PYi+33tclFcAgCQ==
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

2026-09-17T09:47:37.357553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089473
observed d66f3a212d61d7d8df40c9a455f6eb72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:37.340709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089473/manifest.json
observed 19868df982a529f2279fcc03e8106cf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:37.324114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089473/publication.md
observed c23fcc3fb0ef3d90ac944ceabc118888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:37.307940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089473/publication.txt
observed 51e95d771f0165f223b0347d61f9e30a...
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.