OpenTechnical

OT-2026-000068172

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000068172) never changes.

Identity and time

Publication numberOT-2026-000068172 · never reused
Internal UUID01a0ae8f-c4ff-7e39-b6d1-5da40b08598d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068172
StatusPUBLIC

Content hashes

Canonical text6ff03c57be7971e9c848ac27a087538e1f4d6dbfd10bc2d750e954bbc27bea6f
Markdownd106931e3ead5d59e1e7015ed07cd4aade22c9e4b56802a305ec9216adf752d2
PDF
Publication page85455698a0a118fcbb5d10f981413c97c3373f6add4793b7ec92e52e3848a7f6
Manifest58102ba27dc572a2646ec66cc129446a528e7678a42611530a60f2abeb7e3b14

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
SignatureIN/LRh3lEoX5c9wrud7Fblzf+OY+47ygJ2DJj/Vu/XEJe3SyPhaIh4/G3k02NXZKUNPPH/nHYjrN5Jo2CfOGCw==
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

2026-09-17T10:30:48.981164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068172
observed 85455698a0a118fcbb5d10f981413c97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:48.964058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068172/manifest.json
observed 58102ba27dc572a2646ec66cc129446a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:48.945720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068172/publication.md
observed d106931e3ead5d59e1e7015ed07cd4aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:48.924900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068172/publication.txt
observed 6ff03c57be7971e9c848ac27a087538e...
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.