OpenTechnical

OT-2026-000051504

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000051504) never changes.

Identity and time

Publication numberOT-2026-000051504 · never reused
Internal UUID01a0ae83-7c80-7d1a-813b-09ab235ed26e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051504
StatusPUBLIC

Content hashes

Canonical text6bcf1558b4412e9e8e3dbf120c29cc8b37af8f41dd6efed3f67e384816e5c186
Markdown6b6128527d7a05e5b9bcbcb63ffdf2aaec98c808fc7313f57d167f1f17ffee68
PDF
Publication page7cdc259b3f10b8c14198697bb229ccb1a2454b428ade3428f8b6ee8c6b1d445c
Manifest365e2cb48837577b6ca7b58ad08f90e9e0d9eec860f59ede1ad20152b4213f55

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
SignatureDUw9L0s/rT96+4lyWvMA8yzz5JLY4o56pShgQ7fS+lIBu4fgB5hCogAi9oFok7Ue8BGiP3tbkIOGchfFsOz9DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:19.323182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051504
observed 7cdc259b3f10b8c14198697bb229ccb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:19.303510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051504/manifest.json
observed 365e2cb48837577b6ca7b58ad08f90e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:19.285605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051504/publication.md
observed 6b6128527d7a05e5b9bcbcb63ffdf2aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:19.265917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051504/publication.txt
observed 6bcf1558b4412e9e8e3dbf120c29cc8b...
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.