OpenTechnical

OT-2026-000029197

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000029197) never changes.

Identity and time

Publication numberOT-2026-000029197 · never reused
Internal UUID01a0ae73-2aa0-7436-adc6-a7b6a1e2909d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029197
StatusPUBLIC

Content hashes

Canonical text1aa6cf83ef88b836b582e90bc365ab8e47c2cddb119ad5fbfa1eb7a80a1fd0ba
Markdown777e4f3f944782cc29c2123d1c8a77fb8504b4afc2b1f10daf7de9bd9c4a671b
PDF
Publication page8fc3e95ec2975b76d1b52b8be65fe12f2a777617bd8368dd97be74575471ec4e
Manifest5716ce36ee441932867382269c56d8934b190a828eb5b7e05d0124a6f5158e9d

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
SignatureiCnV+a1dYGpQEbCwW8yYyJSyIqTxc5p5k5xz94BoWJPYSIZIzwQALyDKVipap1ieHMifmxqXu6PkT7xF1ljAAQ==
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

2026-09-17T11:39:48.526488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029197
observed 8fc3e95ec2975b76d1b52b8be65fe12f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:48.504685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029197/manifest.json
observed 5716ce36ee441932867382269c56d893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:48.486088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029197/publication.md
observed 777e4f3f944782cc29c2123d1c8a77fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:48.465397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029197/publication.txt
observed 1aa6cf83ef88b836b582e90bc365ab8e...
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.