OpenTechnical

OT-2026-000083416

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000083416) never changes.

Identity and time

Publication numberOT-2026-000083416 · never reused
Internal UUID01a0ae97-c964-7b6d-980c-0b0adff4b8a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083416
StatusPUBLIC

Content hashes

Canonical text2298d4f983b357710319b4d81e6972ea44d6a2101147bf9f0a0d5044d3a69616
Markdown92d418b2f988882a80e44f96daad98f9661b4061220511dc054cfa8044ddc3dd
PDF
Publication page134eb04069fd09a51c98bf88846593554c4a81bf4ce720e11ef6969152cdc299
Manifeste739c42a6de9adb2ef2e8032eb01726a30f694174d40daf305cfd0ce56368880

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
SignatureZYvlswXLaUZ45UEg5vcY18hq2KRg+/1b6BZRupuA/gzCuYb+TQmGw3W7/QjmBzGz7T9BOb/7wRnXS14IWwCjBg==
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

2026-09-17T09:57:49.772039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083416
observed 134eb04069fd09a51c98bf8884659355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:49.755783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083416/manifest.json
observed e739c42a6de9adb2ef2e8032eb01726a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:49.738588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083416/publication.md
observed 92d418b2f988882a80e44f96daad98f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:49.721258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083416/publication.txt
observed 2298d4f983b357710319b4d81e6972ea...
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.