OpenTechnical

OT-2026-000083766

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000083766) never changes.

Identity and time

Publication numberOT-2026-000083766 · never reused
Internal UUID01a0ae98-0417-7fa3-b2a3-6d18ccb80f20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083766
StatusPUBLIC

Content hashes

Canonical textbbc1a47ca0304936aaa7dbee53b56c759d25e5a4542863615c89eda861293d60
Markdown9f64b52741b3a5c24c5a9313b276f520ae9c71d52f92b86c74e54b23ad980b81
PDF
Publication page8e7c02297e266f74732a4ba911a7cfbca43a162146da59fa295e1af0e2be5a57
Manifesta7659bcae12cc31f0f9449fae731812e4fa21b2409f23860b4d3be73575e3848

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
SignatureuEI7r1Eqrx4XvymueZzfT+ezwHpmj3LbpZtjKmjPs5uefiAz4en0R+SaKcXjO3lk1YjaPUcS10WwX2528OLFDA==
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

2026-09-17T09:57:24.423013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083766
observed 8e7c02297e266f74732a4ba911a7cfbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.405588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083766/manifest.json
observed a7659bcae12cc31f0f9449fae731812e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.388455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083766/publication.md
observed 9f64b52741b3a5c24c5a9313b276f520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.372480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083766/publication.txt
observed bbc1a47ca0304936aaa7dbee53b56c75...
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.