OpenTechnical

OT-2026-000019561

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000019561) never changes.

Identity and time

Publication numberOT-2026-000019561 · never reused
Internal UUID01a0ae6e-f394-78ac-8d85-7d2e9aae1a86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019561
StatusPUBLIC

Content hashes

Canonical text019f934c58a23619d89aeea0af8b0c7276c72e9caadfe6d7b8b68585d485eb54
Markdowna754d9553e1fa83b7de2b0774a55e2d158ba8297a5eb418d5dece7348d891f29
PDF
Publication page1f82e5c6321c5301fff8d1eb05904d4ed177544e98471167d2559825a9ade016
Manifest99457cc2a6f80b227eafa2b93a413b30e14727e2e2e3df9c4c1595996fde4705

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
SignatureX67XxxJSGvlPcbWGuR3J64uhgKs9VJzbcvTpMVl91YLjvQEaOQ3NGVsmAF5mY4mQV55aPt00rUu6J+qEQKHpDw==
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

2026-09-17T11:59:00.358521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019561
observed 1f82e5c6321c5301fff8d1eb05904d4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:00.339413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019561/manifest.json
observed 99457cc2a6f80b227eafa2b93a413b30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:00.321605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019561/publication.md
observed a754d9553e1fa83b7de2b0774a55e2d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:00.302290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019561/publication.txt
observed 019f934c58a23619d89aeea0af8b0c72...
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.