OpenTechnical

OT-2026-000060325

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000060325) never changes.

Identity and time

Publication numberOT-2026-000060325 · never reused
Internal UUID01a0ae8a-5a75-7c07-a526-840305894cc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060325
StatusPUBLIC

Content hashes

Canonical texta439967d2bd83fa4843ec7e4b78331d107ada502223688bae93722b25323b0a8
Markdown8d77699ed0ab2abfc3da16c974d09d4e97217a15b9f09863f34c52e40df0337d
PDF
Publication page4719c975e64b922cfd65927be780651f7588599d9eb4e4aacd09d7c130b7802d
Manifesta43f58b5703692681f7459fb44b640381bb7c9061725c05b9964a353aa50bf5d

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
Signaturebf1b3TM+Bhh2xYSLpXEy6C32tQ39L0hBBt8JmDBxf2sLMO0bBHkVBhXqPCTcLLsAmYX8A3IgpWFxmIBaWPrGAg==
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

2026-09-17T10:44:02.268868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060325
observed 4719c975e64b922cfd65927be780651f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:02.241503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060325/manifest.json
observed a43f58b5703692681f7459fb44b64038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:02.215474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060325/publication.md
observed 8d77699ed0ab2abfc3da16c974d09d4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:02.190575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060325/publication.txt
observed a439967d2bd83fa4843ec7e4b78331d1...
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.