OpenTechnical

OT-2026-000061641

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, vented after set-down

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-2026-000061641) never changes.

Identity and time

Publication numberOT-2026-000061641 · never reused
Internal UUID01a0ae8b-7b45-7049-95a3-ad4a02386f9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061641
StatusPUBLIC

Content hashes

Canonical textb5798fe7dcfb5aa6f294e36021ae52f4c87f7ea2d8378d596fd3d363f2facd09
Markdown087a990af75e267bd6872904ebeb5d577c487460974eebecdc39fe370c3fb70e
PDF
Publication page88b25292ec1e151ff69dd1bd51a787f79c3919d65b6ccd3aa2d4d011146cd904
Manifest2710648532ed8aea8ab5b49dc89a6e7c068ddfecd36712a23dea37a1ac7f9487

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
SignatureaPcrka1R44Z2gin4m+xl6ex4FnHourEf9Wf3pPDbncQvkkhOs9CMHEpo+GogQYnff2tIP8W/ZRI1vsN5lpQYAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:34.926051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061641
observed 88b25292ec1e151ff69dd1bd51a787f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:34.908011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061641/manifest.json
observed 2710648532ed8aea8ab5b49dc89a6e7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:34.887790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061641/publication.md
observed 087a990af75e267bd6872904ebeb5d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:34.866889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061641/publication.txt
observed b5798fe7dcfb5aa6f294e36021ae52f4...
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.