OpenTechnical

OT-2026-000011186

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000011186) never changes.

Identity and time

Publication numberOT-2026-000011186 · never reused
Internal UUID01a0ae6c-540f-736f-bf16-e11bb16738c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011186
StatusPUBLIC

Content hashes

Canonical text7fcaead9a659742c894b73867b8fcf9f643a7d84fcd506643110450650ec70e2
Markdowne8700c2e628c14e6c8ebfffb8884a25fe76bfdc4fa7ffa9c7fd88d15f5b92a1a
PDF
Publication pagef6312595d078651d0d28181aee1f34a9b84a163f21e5b4fb17d7f4de9352a201
Manifestf1c5dbd819ddb5b10395cda6578e86fa8602dc241e2f029b1c499c15305da6c2

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
SignaturekSzSOfyD4NXj9EelHlAz/K8uhWi1KRl0F84UCQWxZELVh9pjW5LDSfk8vcYBGN722DBJoNe2U6MQciO4Y9trCw==
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

2026-09-17T12:14:07.765628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011186
observed f6312595d078651d0d28181aee1f34a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:07.745694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011186/manifest.json
observed f1c5dbd819ddb5b10395cda6578e86fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:07.726626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011186/publication.md
observed e8700c2e628c14e6c8ebfffb8884a25f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:07.706394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011186/publication.txt
observed 7fcaead9a659742c894b73867b8fcf9f...
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.