OpenTechnical

OT-2026-000069196

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000069196) never changes.

Identity and time

Publication numberOT-2026-000069196 · never reused
Internal UUID01a0ae90-6dcf-7f7a-ba82-113048ef0589 · 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-2026-000069196
StatusPUBLIC

Content hashes

Canonical text7d3991ba51ee1da275ca8d14c664e25bce99cd2ce823b44c272e08a517f20e54
Markdown051a8ed99b95eefef1af678749351d5b7a5bf0c9d97029e3a1647a71d458f7b9
PDF
Publication pageac513e4e878af34b4140e7bebfaf8e2a31cf411faa2952cc19215610ca463393
Manifest5589f3bec66dba08c9a43449d2249e13b925bce4961399ef157c4083a3867ba7

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
SignaturejJpgNE2YgFpcW1YdlhtGIgW1BWpmjdFaqYBAWYG08gFc/8iyesbKAyVPGouVJChWI01TBGyyrk9snTrPdYKdDw==
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

2026-09-17T10:29:05.635376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069196
observed ac513e4e878af34b4140e7bebfaf8e2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.618290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069196/manifest.json
observed 5589f3bec66dba08c9a43449d2249e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.599244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069196/publication.md
observed 051a8ed99b95eefef1af678749351d5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.582549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069196/publication.txt
observed 7d3991ba51ee1da275ca8d14c664e25b...
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.