OpenTechnical

OT-2026-000070005

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000070005) never changes.

Identity and time

Publication numberOT-2026-000070005 · never reused
Internal UUID01a0ae91-1861-7d3d-84fa-59ab539ef9c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070005
StatusPUBLIC

Content hashes

Canonical textf3e1d74137b5ee405db1d296b30856ad9d8202fa0ba8346bd1fab793b833d470
Markdownf1a9cac43b5bb6d35db00fce93134263f98f6331fcac1863ca386e9d7f52b562
PDF
Publication page47ed4e5772335aba6e026d61a8ef2087ce4bc10812a7b3a6b9b2dddb49e0e69f
Manifest53c875cea2d748cff5dfce11d625e1fc516542455bc02aa7196ea056c201f658

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
SignaturenFhaA2p+TSjBt16LhpiGavFvF7l8BZ5Z1zitmJg96ELgBwBe1QtQvI6CRlskje1K7wa26R7xHKP9xn+y7SDWBA==
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

2026-09-17T10:26:57.329269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070005
observed 47ed4e5772335aba6e026d61a8ef2087...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:57.310113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070005/manifest.json
observed 53c875cea2d748cff5dfce11d625e1fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:57.292340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070005/publication.md
observed f1a9cac43b5bb6d35db00fce93134263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:57.276108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070005/publication.txt
observed f3e1d74137b5ee405db1d296b30856ad...
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.