OpenTechnical

OT-2026-000026417

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000026417) never changes.

Identity and time

Publication numberOT-2026-000026417 · never reused
Internal UUID01a0ae71-f4a7-78ab-bcc5-54b96ca1d020 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026417
StatusPUBLIC

Content hashes

Canonical text392303c44f6d75af2c41a2328f8dd7e331431c780389601734032b570f803ed3
Markdown32f89ddaff1f304439c3a14481f65a192e64cae750eecc23a331c71147a17b71
PDF
Publication page3868027af839ec89a6a38d773bdb8c68d3a9ff73850f580d0385feed099ba499
Manifestac151aecdc2e02081a75e623ea51e51b7789486e14ae489ffa1fdf67b02c03f7

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
Signaturehe1fm54+40qjpmlthdG00Ci8rtEtkSwG/JQgMdhJTwhv9mN1n41icKQoIdTt0G8KxxeD0e/41+iFDuEs3L7zDg==
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

2026-09-17T11:44:24.432582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026417
observed 3868027af839ec89a6a38d773bdb8c68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:24.417273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026417/manifest.json
observed ac151aecdc2e02081a75e623ea51e51b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:24.399928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026417/publication.md
observed 32f89ddaff1f304439c3a14481f65a19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:24.384480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026417/publication.txt
observed 392303c44f6d75af2c41a2328f8dd7e3...
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.