OpenTechnical

OT-2026-000081813

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, sustained blow-off before set-down

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-2026-000081813) never changes.

Identity and time

Publication numberOT-2026-000081813 · never reused
Internal UUID01a0ae97-0f75-7062-9db1-c4f0294412ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081813
StatusPUBLIC

Content hashes

Canonical text7100f8a2cfdf9b49ac9e33e0eb0e8033f6f911f351afed93b83a993669c31d43
Markdown5d16d9de225acdf83a8b95f3fa4d810a4a429bd9365c56c55596978a29f644bd
PDF
Publication pagee26e429a4b387410d41707ef6f5c00323ed970702a3bfe7aae1c276d8f8fdb00
Manifestf26cc3485b416797a956218a414ae8aaafa1ffe4dc411db6e665d6d96643e9fb

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
Signature5EabbYRJrpFyOE7qlF6IFF21/5UdOUORfFAvFxNc9Um0TnSCIMP74nl/QTyNcVpYjJpLY6T7bLKyW+zFKkwBBQ==
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

2026-09-17T09:59:55.048179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081813
observed e26e429a4b387410d41707ef6f5c0032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.030873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081813/manifest.json
observed f26cc3485b416797a956218a414ae8aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.013404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081813/publication.md
observed 5d16d9de225acdf83a8b95f3fa4d810a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.996277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081813/publication.txt
observed 7100f8a2cfdf9b49ac9e33e0eb0e8033...
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.