OpenTechnical

OT-2026-000049900

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000049900) never changes.

Identity and time

Publication numberOT-2026-000049900 · never reused
Internal UUID01a0ae81-fd76-7905-aedf-0e6b9f361e62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049900
StatusPUBLIC

Content hashes

Canonical text02386d17ac7dd7e256720ff3bb218c2fd7485f39b9c02b30553acfb9c891efa5
Markdown3f3c5a60e7dbb12a022c5b8db77f46b0bf4a55cd586b0bf03811b131f5ae1143
PDF
Publication page0a2933b65cc82844f7d0fb7369474ed27314f161b5178037521db9a422e149b0
Manifest877bd387f0d8210c89dedf76f164be299526f2e1c0c2467fcc289d2178516e46

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
Signatureth1BGme7ffhm+et2VCcO09zTSmoS3BsuKoscqclmdMr3F/Pyh3m8xoJ9r6Wtq/zMHEdUfom77QCH6cljeNGABg==
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

2026-09-17T11:01:49.208441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049900
observed 0a2933b65cc82844f7d0fb7369474ed2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:49.189508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049900/manifest.json
observed 877bd387f0d8210c89dedf76f164be29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:49.171962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049900/publication.md
observed 3f3c5a60e7dbb12a022c5b8db77f46b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:49.153235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049900/publication.txt
observed 02386d17ac7dd7e256720ff3bb218c2f...
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.