OpenTechnical

OT-2026-000046403

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000046403) never changes.

Identity and time

Publication numberOT-2026-000046403 · never reused
Internal UUID01a0ae7e-57dc-7d46-9bb8-258773e32f65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046403
StatusPUBLIC

Content hashes

Canonical text4bce671ce57aa3332ccccffc5bb8d9aae26375156dc0071829cdc40233fca568
Markdownbc944c32b17bf223db1c411d2712c93efa404364cc9fa3f822c51e3145d92ec1
PDF
Publication page5986bf77f336d9a869b81ad343cace35b905d08b33d06068453b54a93997585c
Manifestcb9bd1065d7b4af25a8ab624f9182a756d81120cdb249be60184469ff30a157d

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
Signature4Fcrfgy+j4V2jVQLDc56Is12LylmAfrTHXEqh4AhFkZnGSw32Q+VFsUyrD9i5ercvF/XtxtMhv6qHT81NTLqAg==
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

2026-09-17T11:08:24.656442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046403
observed 5986bf77f336d9a869b81ad343cace35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:24.638729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046403/manifest.json
observed cb9bd1065d7b4af25a8ab624f9182a75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:24.619191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046403/publication.md
observed bc944c32b17bf223db1c411d2712c93e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:24.599639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046403/publication.txt
observed 4bce671ce57aa3332ccccffc5bb8d9aa...
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.