OpenTechnical

OT-2026-000003570

Publication integrity record

Bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, contact triggered

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-2026-000003570) never changes.

Identity and time

Publication numberOT-2026-000003570 · never reused
Internal UUID01a0a90a-68e3-71fa-bc96-d81cb9ad6468 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:06.854503Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003570
StatusPUBLIC

Content hashes

Canonical text910187ee3f3f15fd41760fdd5522cf7c458ad7b18a2db762755d44ecccd3dfd9
Markdown2a04f2664e4eae8af5107d0a9572af87e8cfcfc5dc45fdce7c338b475567f02e
PDF
Publication pageb16bd503bcbe4092c0c8c997a395880c8437b5c4d822b5169f8f3b88f7ddc954
Manifest31dc7e1c865213f53d6eb8a28c1e3750b1fc011c00e83cc812b8f71665287455

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
Signature1PwwgD5waIh1BAeVOZ4HrTgVXhb6dsuTgJBhzVe8QyKpoFTwZFA468ESqJBNiu2HwSaRTb/TtLDykOGApF6oAQ==
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

2026-09-16T08:40:39.492407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003570
observed b16bd503bcbe4092c0c8c997a395880c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:39.477942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003570/manifest.json
observed 31dc7e1c865213f53d6eb8a28c1e3750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:39.462291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003570/publication.md
observed 2a04f2664e4eae8af5107d0a9572af87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:39.446735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003570/publication.txt
observed 910187ee3f3f15fd41760fdd5522cf7c...
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.