OpenTechnical

OT-2026-000048405

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048405) never changes.

Identity and time

Publication numberOT-2026-000048405 · never reused
Internal UUID01a0ae80-4de4-7719-990d-eb8b59f8c876 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048405
StatusPUBLIC

Content hashes

Canonical textf01b0378bcd93ee9a4ad6234cb582b143b7ee2aaf43e4f9e6c2469adc5d9b563
Markdown8e2c0d7acff108e9b59c5238d97c524ddd68939c840f6c49179e39c6938a80b8
PDF
Publication page7ef3d814726c227d8408f25d9903a9bca3afe93eff84c8d7dc6b4ac9f7275912
Manifest1f0017e51273d1463bde624fa0e129cd1dd69da5c239869dda563b9b30e065dd

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
SignaturexlTlkO/MMsr/9GipXQVBNwkcsEq9ARheoZ3B1Th2f9FskOJ1/KgcPulUlGab9caxNdO0YDVmL8LeDL56ds2gCw==
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

2026-09-17T11:05:02.659739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048405
observed 7ef3d814726c227d8408f25d9903a9bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.641010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048405/manifest.json
observed 1f0017e51273d1463bde624fa0e129cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.619548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048405/publication.md
observed 8e2c0d7acff108e9b59c5238d97c524d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.596172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048405/publication.txt
observed f01b0378bcd93ee9a4ad6234cb582b14...
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.