OpenTechnical

OT-2026-000008191

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000008191) never changes.

Identity and time

Publication numberOT-2026-000008191 · never reused
Internal UUID01a0ae6a-908c-7d6f-a585-200b4bf48928 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008191
StatusPUBLIC

Content hashes

Canonical text0da467df4fc54cd784bbf81a2c61db909aa93d57aace83f356a3d7b4a9713e27
Markdown131624c3882739a0f3dd1c17d4d0216aba2b05b42baa4be5cc55d948b69ab248
PDF
Publication page94c877f60ef2b8dd716d2c267225d9d8bf1f9194566bc9914d593cd585734e8a
Manifest28a13c575a9f857bc114ccc96b1668f609da30b8346f59994943878bb0ad8ece

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
Signature0v2+QB/2nrhTcmw17kcOKsGiE6tn5+Pe3re7d13+tfRBq/VrKw8CtryUicD82IKYuI/Ej/i5nPvc+36ZMMJ8BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:33.626670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008191
observed 94c877f60ef2b8dd716d2c267225d9d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:33.607649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008191/manifest.json
observed 28a13c575a9f857bc114ccc96b1668f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:33.586389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008191/publication.md
observed 131624c3882739a0f3dd1c17d4d0216a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:33.564052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008191/publication.txt
observed 0da467df4fc54cd784bbf81a2c61db90...
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.