OpenTechnical

OT-2026-000003969

Publication integrity record

Bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector

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-2026-000003969) never changes.

Identity and time

Publication numberOT-2026-000003969 · never reused
Internal UUID01a0a90b-9e7b-7e15-b7cd-8e6f4cb06ac8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:26.110356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003969
StatusPUBLIC

Content hashes

Canonical text64721059b9515a25bffe0b759ba54cc8e84fbcd3b1abb3bf302cef0d3de3350d
Markdown91867483761754ae92a4a0b1655a486d81385d741abb014bd0011eddfc86c678
PDF
Publication page27bf76e7bb34e00a680fc1472af6120d2197c79696a8603510a9fec0de34d108
Manifest6e36ce6689f77daebbc9f8db69ed3ba60b544aa32a9dac824292b5de15d5d7d8

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
Signature8Cs+lHAi0dNjR517t/Nx4adcCcF5C5bKKz7mxPkZYKYo52kwymGx2GPSYfIpRiN9Am441CTJVAMRo06hLQohDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:09.185279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003969
observed 27bf76e7bb34e00a680fc1472af6120d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:09.171254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003969/manifest.json
observed 6e36ce6689f77daebbc9f8db69ed3ba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:09.154938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003969/publication.md
observed 91867483761754ae92a4a0b1655a486d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:09.138316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003969/publication.txt
observed 64721059b9515a25bffe0b759ba54cc8...
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.