OpenTechnical

OT-2026-000015937

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000015937) never changes.

Identity and time

Publication numberOT-2026-000015937 · never reused
Internal UUID01a0ae6e-0c4d-71be-8011-db128cc3a5ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015937
StatusPUBLIC

Content hashes

Canonical textc04a0a3473723888180ab42f41dcce3cffaab8445657ddad1e4c4f79d113a117
Markdowna54d2191fde0ad1dc797b8b3feb38e390e506902d580c03694ac89a11eb3c8b0
PDF
Publication pageca2a72778ad0df1ecc595f46b5044e6f66debc93f4ae4dea9a38bde606746dfc
Manifest26e916de90838211064a43cbba79236eab9283aaa12931268a13403794006e9a

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
SignatureSkO93EnR5ujC/V7ld6s7nuOMy92EwNY473ACLPHjAF5ZDVScKAW0t6Wgpsa5MY+jTFdZeAjUyWbf9GcW1SNwBw==
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

2026-09-17T12:05:24.595678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015937
observed ca2a72778ad0df1ecc595f46b5044e6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:24.576584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015937/manifest.json
observed 26e916de90838211064a43cbba79236e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:24.556139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015937/publication.md
observed a54d2191fde0ad1dc797b8b3feb38e39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:24.536578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015937/publication.txt
observed c04a0a3473723888180ab42f41dcce3c...
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.