OpenTechnical

OT-2026-000035423

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000035423) never changes.

Identity and time

Publication numberOT-2026-000035423 · never reused
Internal UUID01a0ae76-6a20-71e4-a1cd-8e6b769f48d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035423
StatusPUBLIC

Content hashes

Canonical textbba14a3db45a42c4ebd1dfdb927dc8e92e84b5c7a17509df610a34d4b8333205
Markdownb6b89c644ed041be676dacb2575b6f52cf5723055e2fb44eab3d5ede864ede9d
PDF
Publication page7f081da3491ab0cecfb61614d6fa197c7da296b9b04ed34d38a65a0e64061fb7
Manifest556da5c3708093d61bb9052816b07c23a2c99348f7001108eadc6f892c22e8dd

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
SignatureHGmE3GcMQNvg+Jeq6lRCoBMT2tZD+vaELqkp2oFONbuZLJWVjoDRkul6nsvSSrco2nuFoJMtayx6QdCNt5SxAw==
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

2026-09-17T11:28:43.950736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035423
observed 7f081da3491ab0cecfb61614d6fa197c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:43.933816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035423/manifest.json
observed 556da5c3708093d61bb9052816b07c23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:43.914763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035423/publication.md
observed b6b89c644ed041be676dacb2575b6f52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:43.895116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035423/publication.txt
observed bba14a3db45a42c4ebd1dfdb927dc8e9...
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.