OpenTechnical

OT-2026-000060828

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000060828) never changes.

Identity and time

Publication numberOT-2026-000060828 · never reused
Internal UUID01a0ae8a-b7d1-7204-abfa-a55ff3e0df60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060828
StatusPUBLIC

Content hashes

Canonical textd55e74a9888e1bf14159af0da8e3ec0c40433a6aaf01869adce3d933f9ac6a06
Markdown5d98390786f4ef4e60358fa50a5a093c0231a725aaecfadcb10f112f2e3ca856
PDF
Publication pagee3c0aae909b2781b46cde391abf24da1a9fbe2011d07526db3e07dcac59a896d
Manifest991e343c94310928a093dcd5e884cda6c5c6d4e52d356ff60868aac7c4a731e8

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
SignatureuqHxYl+eXq9TRqKWg/9IUQyaqvk+jnCqH3mgNlLXifrlKL+BejRziy95zAZaaJE3+xIP9Ug2+RNMzm7Eg7W+Ag==
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

2026-09-17T10:43:34.858729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060828
observed e3c0aae909b2781b46cde391abf24da1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:34.842802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060828/manifest.json
observed 991e343c94310928a093dcd5e884cda6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:34.826120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060828/publication.md
observed 5d98390786f4ef4e60358fa50a5a093c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:34.808774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060828/publication.txt
observed d55e74a9888e1bf14159af0da8e3ec0c...
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.