OpenTechnical

OT-2026-000085347

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, sustained blow-off 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-2026-000085347) never changes.

Identity and time

Publication numberOT-2026-000085347 · never reused
Internal UUID01a0ae99-aaaa-73dc-9801-cb282acf1123 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085347
StatusPUBLIC

Content hashes

Canonical textb6188191ef4981b5893ebbdfa25d92f6efb3d8092072158bb750fc3d418f8c25
Markdown82205b4d49e6fd3c4da0e5567f9ee7b5f119dc32b9c356338b4614e605833e3f
PDF
Publication page943685ce0e7d5d6d6c0b3ab6f168f86aa3846e0b7b29b085fa32be4190737771
Manifeste668f19901e2c6303ff51bbaea8abb00f0325e1f81ed5bc0c727b6c5ae892e80

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
SignatureGPArcaqJvAjUAdJ/m42yYD69u22LYzyJQ1u+8ipXxAqzmdlSEl51kS9WG9E4RguyzJSoLkRCuJdCa/64QFycCw==
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

2026-09-17T09:54:04.612023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085347
observed 943685ce0e7d5d6d6c0b3ab6f168f86a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:04.595753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085347/manifest.json
observed e668f19901e2c6303ff51bbaea8abb00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:04.578084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085347/publication.md
observed 82205b4d49e6fd3c4da0e5567f9ee7b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:04.561534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085347/publication.txt
observed b6188191ef4981b5893ebbdfa25d92f6...
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.