OpenTechnical

OT-2026-000025480

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold 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-2026-000025480) never changes.

Identity and time

Publication numberOT-2026-000025480 · never reused
Internal UUID01a0ae71-5fa8-7db7-bbde-fe368d3805be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025480
StatusPUBLIC

Content hashes

Canonical text43ba0d64964841e4bb39c0a54c7475129ac632cfd1eff0e6856acd921bdf8dba
Markdown409198af305ec33c00d4163ade3472ad4b05ef60ea43f46ebbf271b9faa71a1c
PDF
Publication pagefe43bbc1c777cceb78a957cea657a025f3306531155f1a677220c94933972fde
Manifest8548aeaaa8551958c7c86fe3385d1ca1a0dee0554ecd0c756a977c48828590ce

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
SignatureeWcO2YOAbELbYSoW23Hf9XSiveH04VHBQHYabeAlx8B47ylyytgcdifLaCyGShewFq7cIpHZtFRl4Lo5rv4UCg==
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

2026-09-17T11:47:34.271829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025480
observed fe43bbc1c777cceb78a957cea657a025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:34.254364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025480/manifest.json
observed 8548aeaaa8551958c7c86fe3385d1ca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:34.232548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025480/publication.md
observed 409198af305ec33c00d4163ade3472ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:34.214045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025480/publication.txt
observed 43ba0d64964841e4bb39c0a54c747512...
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.