OpenTechnical

OT-2026-000042252

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000042252) never changes.

Identity and time

Publication numberOT-2026-000042252 · never reused
Internal UUID01a0ae7a-5d72-7643-9d39-a44ff625eeab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042252
StatusPUBLIC

Content hashes

Canonical texte9e90971d47d485a69931beccf33d6809ae7a0c08d8a09c3c2ae2689c70d0c22
Markdown01d8db7855693042288ad550e19d69f1e3ecceea0ac10ca8fc995b279406c046
PDF
Publication pageccfcb55be4a96fffd82665216ee9c9eba982449cbd7df8aec369e3bfde6c9dfc
Manifestd53f2332b2d69f9fc3e8dfd5290e110316f53d067f182f9878cca1f28749f1a4

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
SignatureOcOKo795XwA0q7tVgJ6Jw5UpZiRUz84/YartZP+J/KuaZh640rnoVt85YgiH1jqrioXU+T5IAVhCdDXXKDYjDw==
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

2026-09-17T11:15:56.145127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042252
observed ccfcb55be4a96fffd82665216ee9c9eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:56.124255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042252/manifest.json
observed d53f2332b2d69f9fc3e8dfd5290e1103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:56.107960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042252/publication.md
observed 01d8db7855693042288ad550e19d69f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:56.091663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042252/publication.txt
observed e9e90971d47d485a69931beccf33d680...
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.