OpenTechnical

OT-2026-000068926

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000068926) never changes.

Identity and time

Publication numberOT-2026-000068926 · never reused
Internal UUID01a0ae90-6dcc-71b4-9026-138dbada11fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068926
StatusPUBLIC

Content hashes

Canonical textfd634948dce5db75495b660b8fec1d14704bfabf421e5757ed46555b4583af9a
Markdown04eb7ee0eec268020cbf628d6f2414b866c7e305ce45e2661a9db342c272ca01
PDF
Publication pagefb57cd88217fa9e37b4841aff4becca329d9cb02138b65b62ca8e411cfb82b22
Manifest5c7bbc82062833af74399eea04ca0c3e37b1a22bfbe2c4fab0b6f2d0e7c1201b

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
SignatureFBib3bKBF1C81K7UWIi1Ii8ejxyxEhtxmwxIgLYqi6sJ64rAQ8B10Rm2mXYWsiEaAT4fJDZA0WGWnGkNznGzBw==
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

2026-09-17T10:28:45.259559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068926
observed fb57cd88217fa9e37b4841aff4becca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:45.241766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068926/manifest.json
observed 5c7bbc82062833af74399eea04ca0c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:45.224463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068926/publication.md
observed 04eb7ee0eec268020cbf628d6f2414b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:45.206291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068926/publication.txt
observed fd634948dce5db75495b660b8fec1d14...
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.