OpenTechnical

OT-2026-000084146

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000084146) never changes.

Identity and time

Publication numberOT-2026-000084146 · never reused
Internal UUID01a0ae98-5b5f-737f-b256-0324e159ad0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084146
StatusPUBLIC

Content hashes

Canonical textc0c4bd9cfb1e6313c8c2ae9d557ace35eaa45e2a2054a9be03902074bf7df411
Markdown1d6616dcabaa496b17450a7b64c301221549628950e6f83a37c3b8a5297c8e67
PDF
Publication page6752d59a1fab74aea4a895d59ab004802c4a1ddd54e1eeaeffc17f9b9e63f86b
Manifest7d18fe13da3a35c263c541fff1c67a17dffb5574f8e32de47364c7dc6e37547b

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
Signature1x1tt3wgnPz9agmcKEbRieCodEs62c+/S73XHF72CqxyFR2hxQ3MFaoVdv/zevwYJKMUhTzlZcb+kzvlNKz6DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:54.800948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084146
observed 6752d59a1fab74aea4a895d59ab00480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.783524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084146/manifest.json
observed 7d18fe13da3a35c263c541fff1c67a17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.764690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084146/publication.md
observed 1d6616dcabaa496b17450a7b64c30122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.747189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084146/publication.txt
observed c0c4bd9cfb1e6313c8c2ae9d557ace35...
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.