OpenTechnical

OT-2026-000056031

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000056031) never changes.

Identity and time

Publication numberOT-2026-000056031 · never reused
Internal UUID01a0ae87-0a4b-7ef3-8fad-1750170a56cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056031
StatusPUBLIC

Content hashes

Canonical text67accba9a4e9de3be498ee62a6b0003368070200bb73fc59f5d7244b3ffc3466
Markdownc7b473c0d3d75e92282620ce157bed93fda8cb0d141ff3e68283a9ad6d2d8813
PDF
Publication page5c75f97cef42429eee891c8dff777b15543eb3012b2ad5d73e93b180060cdbb8
Manifestf01eedd8eeb51fcec19c451bf60ab1c9966e96af1da5e8bc9cc420a574396d97

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
Signaturemt6OI5VjJoDw7Fn0wqJCdr8658jiLiSh/9Q+1DDt5jDBZq7Ejbj0mD9BgVltx9I8Hj4vI7w1yzcCdPTxhRCkAQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:33.597311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056031
observed 5c75f97cef42429eee891c8dff777b15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:33.579649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056031/manifest.json
observed f01eedd8eeb51fcec19c451bf60ab1c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:33.562669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056031/publication.md
observed c7b473c0d3d75e92282620ce157bed93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:33.545330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056031/publication.txt
observed 67accba9a4e9de3be498ee62a6b00033...
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.