OpenTechnical

OT-2026-000042084

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000042084) never changes.

Identity and time

Publication numberOT-2026-000042084 · never reused
Internal UUID01a0ae7a-5d71-7677-945b-ddb5d40a046f · 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-2026-000042084
StatusPUBLIC

Content hashes

Canonical text65cbc2644ac5b0b148e9f3f9295fcd2994af39cd529fd57900f17613b20ff39b
Markdown89c3195366540972da2b3d67ca316da465a173cf43d6e2e67f01d0849d52f410
PDF
Publication pagea802a5a399863ea9fd27a2bc95e4ddc9f9fced826d0342043ea6c41ef110b0aa
Manifeste02028ba4c64df2f43a79d4479f7b6eb34a5dffdff8ab8f0e5769440f9dc91a5

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
SignaturevrA8/hclASD48rrmlJ7iscxUA96Z2Bq2TXeRaKcLbEVNJT+ZTjZGUqgseQLgb2XI6/qs7aAiG+Bi3iwRkuqRCQ==
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

2026-09-17T11:15:36.689651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042084
observed a802a5a399863ea9fd27a2bc95e4ddc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.669447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042084/manifest.json
observed e02028ba4c64df2f43a79d4479f7b6eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.652772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042084/publication.md
observed 89c3195366540972da2b3d67ca316da4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.634412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042084/publication.txt
observed 65cbc2644ac5b0b148e9f3f9295fcd29...
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.