OpenTechnical

OT-2026-000025929

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000025929) never changes.

Identity and time

Publication numberOT-2026-000025929 · never reused
Internal UUID01a0ae71-a83f-7799-ae49-01f469a959e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025929
StatusPUBLIC

Content hashes

Canonical text91398e7757c15311c08da80a9c2317d734ba9d2865c6d5ad754ec31d17b32159
Markdown3130dc236385474e93b97e63d4eaf099cf2bd11207ff3dedd288fe6e851fb652
PDF
Publication pagecf451419d1e3373beecda198e536bf4804229ec71d215f73841037197fb57390
Manifestb491b0024810e113235288613b26a05ef35dea58fd77251fabc5f4e08e90bc6e

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
SignaturexHD/fPEFAWvKxthwH8sM7D2DWfQlnLc5F4iF7fbfjNDq8S7FEnuHzR4JsT1Y2PMS3YKAXikH5MNdXKzWXxcPDA==
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

2026-09-17T11:46:17.219653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025929
observed cf451419d1e3373beecda198e536bf48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:17.200294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025929/manifest.json
observed b491b0024810e113235288613b26a05e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:17.180876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025929/publication.md
observed 3130dc236385474e93b97e63d4eaf099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:17.162424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025929/publication.txt
observed 91398e7757c15311c08da80a9c2317d7...
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.