OpenTechnical

OT-2026-000019832

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000019832) never changes.

Identity and time

Publication numberOT-2026-000019832 · never reused
Internal UUID01a0ae6f-1fb5-732d-9221-f8a0e5afeb3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019832
StatusPUBLIC

Content hashes

Canonical textb740329703a3e2d87c04de7b603282fd9a13881e7243115120f642076008884e
Markdownb3fc13a6f3e0182588794e34eb64af955f98036e6bc093757b80fd4a6a408edd
PDF
Publication pagee548fbb09ebaaa6316f903e9868cf862f51e2c5f64220038b74e084c52113752
Manifest47e95eeb3cb62efaac1500880582c7bc7f9da29d6c5c8f401f25a51658159bed

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
SignatureESJzs+Uo8rXvYH2bGhDB80ouSzBks0f2vQaf+j44gIA+sQqQeLOGN+twJlAE0bCOUPXGg6DrcSSwc8XPGd/yBA==
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

2026-09-17T11:58:01.562712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019832
observed e548fbb09ebaaa6316f903e9868cf862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:01.544577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019832/manifest.json
observed 47e95eeb3cb62efaac1500880582c7bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:01.526888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019832/publication.md
observed b3fc13a6f3e0182588794e34eb64af95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:01.508560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019832/publication.txt
observed b740329703a3e2d87c04de7b603282fd...
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.