OpenTechnical

OT-2026-000051172

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000051172) never changes.

Identity and time

Publication numberOT-2026-000051172 · never reused
Internal UUID01a0ae83-273f-7576-9beb-0c6aacd4f857 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051172
StatusPUBLIC

Content hashes

Canonical text9c4ee904c4afb81ec88bec11c0fecc450c24a744a2627186579d6b9aab28014b
Markdownb58aa5ab645f212842dd47a330dd08f90990dc8d766fae3165328067746e3e82
PDF
Publication page9adeaf52b70faeb8f922c374c8fdcbce154ee0d68dab39b3fef931d0b05d6f65
Manifest77346cc300d2d36e41a85439a64f8453e981932c2a46c00509822accc08163d7

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
SignatureWiGYJZB98iPgZEDTnTUDWwpkrYQxH3dxBzelJ1lyyvE7Kr+EzRlNbd2FZkOYBjb57A04IAkwZF69NmG9jcjUDg==
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

2026-09-17T10:58:56.585517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051172
observed 9adeaf52b70faeb8f922c374c8fdcbce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:56.567707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051172/manifest.json
observed 77346cc300d2d36e41a85439a64f8453...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:56.549342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051172/publication.md
observed b58aa5ab645f212842dd47a330dd08f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:56.530628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051172/publication.txt
observed 9c4ee904c4afb81ec88bec11c0fecc45...
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.