OpenTechnical

OT-2026-000049121

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000049121) never changes.

Identity and time

Publication numberOT-2026-000049121 · never reused
Internal UUID01a0ae81-134e-7922-b3b6-1c42a6301cae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049121
StatusPUBLIC

Content hashes

Canonical textd507904eee6ed30b967687738d8204777ba1cda8147a77f608692db0e1adf0cd
Markdownd0a577fad82b4ecccfab261f492025cd7d8e278e06521138baad43828d9a7df4
PDF
Publication page42446df1d7d82f7e2ab2d19b16314400c87d3b35c391c09f438a4a4fdf44b3ad
Manifest92cd4a956f951a099dbc9d7eb769c2e24f08ce84b83566a98c68067361272079

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
Signaturej5cO2loNPZcScuLPoe0fONvx3pYktF8KahH7CfidXz0RbedboH+ZHIY8S9MQhUS/F+0eSuKnVgAYdCgZ6GE1AA==
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

2026-09-17T11:03:23.039357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049121
observed 42446df1d7d82f7e2ab2d19b16314400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:23.020218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049121/manifest.json
observed 92cd4a956f951a099dbc9d7eb769c2e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:22.999949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049121/publication.md
observed d0a577fad82b4ecccfab261f492025cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:22.980534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049121/publication.txt
observed d507904eee6ed30b967687738d820477...
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.