OpenTechnical

OT-2026-000003694

Publication integrity record

Vacuum cup gripper, common isolation valve, three outlet manifold, 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-2026-000003694) never changes.

Identity and time

Publication numberOT-2026-000003694 · never reused
Internal UUID01a0a90a-c3ef-7f90-b768-55c35475743d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:30.162056Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003694
StatusPUBLIC

Content hashes

Canonical text14b909343b28ec86ddf9ed41696b3f5c05daab04b7ef9f2af36a0278312cf738
Markdownfbe8b46ac4fbd029f729f10650da951ce8fa659f3abf5077be2ffd708b3d540d
PDF
Publication pageeeece9963a92ff03b716dbe38d58c15b594312c0c10e5d53b52fa353ab97b39c
Manifestece4e34656047a89266c35a5eeb605f7dafad1537ad21d2887ed30245476425e

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
SignatureYw129gIXcdWJVXOX0HgBlzw9ks26SsUc/xH8EsIvOnyNMt5CswQxbVThkoezk7hWB3ImuQoRUWRRX2zzK+WFCA==
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

2026-09-16T08:10:34.243369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003694
observed eeece9963a92ff03b716dbe38d58c15b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:34.227776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003694/manifest.json
observed ece4e34656047a89266c35a5eeb605f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:34.212882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003694/publication.md
observed fbe8b46ac4fbd029f729f10650da951c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:34.196220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003694/publication.txt
observed 14b909343b28ec86ddf9ed41696b3f5c...
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.