OpenTechnical

OT-2026-000098573

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line 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-2026-000098573) never changes.

Identity and time

Publication numberOT-2026-000098573 · never reused
Internal UUID01a0aea2-42ac-7cad-a469-204c0bd78f31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098573
StatusPUBLIC

Content hashes

Canonical texteb24abf5ff518375b6c0b3382daf428468ecf34fb447b0c987cfb1b32100bea4
Markdownf2860c6fd1e7f99d9b0f00bb5928dfd814e76a89fd8da6aa588a309f09e36997
PDF
Publication page292a47cca8723a36b26884862006f43fb3c952be400b294459f194e2705b3f26
Manifest2cb098936d513c521f9ffc2dc98d6e0f4a6623bad6c5e2bf50258a2b5b68cde3

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
SignatureTM/xbp7pY5k3WNqKUkomTLkzH//9SVOg3dMjNHz665bEo6dw0Nm4wVqGh+4stR0zOQg9BJ2zEVYWv2bJ0Dm1CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:50.204210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098573
observed 292a47cca8723a36b26884862006f43f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:50.187024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098573/manifest.json
observed 2cb098936d513c521f9ffc2dc98d6e0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:50.170567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098573/publication.md
observed f2860c6fd1e7f99d9b0f00bb5928dfd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:50.152177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098573/publication.txt
observed eb24abf5ff518375b6c0b3382daf4284...
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.