OpenTechnical

OT-2026-000022628

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000022628) never changes.

Identity and time

Publication numberOT-2026-000022628 · never reused
Internal UUID01a0ae70-46e9-75ce-8637-e2e5d6001467 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022628
StatusPUBLIC

Content hashes

Canonical text5580d213589714debc01fe7bca1fe2aac3ac9b433090b87872204071d984ed20
Markdownee83ad0b28b8b236b7b45d2b6be0cad843f3417676ae213fd644be2dc10e0038
PDF
Publication page1d1cab12ed3ead760c0f4a784990f5fcb7a2a9cbbdc1f026a7577926c9cedc7a
Manifest282f8d3fa2567dc97d0a08c36eb0d182e1ff0e1e9fd2ca0e9854bc4eea682c63

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
SignatureUNbhk31ElkkOF5KjeocY0VKQJTvrsjJXeTf7PERhHE6cG1EHNsrKJeMUIbpnNOyaapqGaeSgNoIeUSdRJmwWDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:00.166549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022628
observed 1d1cab12ed3ead760c0f4a784990f5fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:00.149998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022628/manifest.json
observed 282f8d3fa2567dc97d0a08c36eb0d182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:00.133858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022628/publication.md
observed ee83ad0b28b8b236b7b45d2b6be0cad8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:00.117752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022628/publication.txt
observed 5580d213589714debc01fe7bca1fe2aa...
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.