OpenTechnical

OT-2026-000084270

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000084270) never changes.

Identity and time

Publication numberOT-2026-000084270 · never reused
Internal UUID01a0ae98-5b60-71cd-8f10-1a5dd7b19c19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084270
StatusPUBLIC

Content hashes

Canonical text7413907016e2b372471499bc6b1da794eee5e4e75fe5bb565a86eb5f862a20cf
Markdown4e21b040d2dde6a886140a31ad8fcc5b28058bd8c634bc97060e20ce5d92a792
PDF
Publication page91d196f259e8e2e5c9957f192c10496c1d749ff00cf9ff6c8864c9ff8ebc64cf
Manifest33cc6f78064023922da23c48712f4f7b1ddf3c4e7b3d090561e59d6b6493ba2d

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
SignaturehjxH7eAENhJXJpEHRJlBR+iUVgTKFGU/HZzD88lVZbI4hkuCkx/bCzQ4ZTZGZL2he30RuUcDxF169d2EtPY2Bw==
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

2026-09-17T09:56:11.177622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084270
observed 91d196f259e8e2e5c9957f192c10496c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.157755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084270/manifest.json
observed 33cc6f78064023922da23c48712f4f7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.138084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084270/publication.md
observed 4e21b040d2dde6a886140a31ad8fcc5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.117744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084270/publication.txt
observed 7413907016e2b372471499bc6b1da794...
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.