OpenTechnical

OT-2026-000022947

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000022947) never changes.

Identity and time

Publication numberOT-2026-000022947 · never reused
Internal UUID01a0ae70-46ec-7214-984a-a3d134900d84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022947
StatusPUBLIC

Content hashes

Canonical text3b329172af3396642c74658df3ba713e64f44e606414e985b87ec8eb971c5066
Markdownb124df4ba9166387783559d92a1c95745919d1ae692ecc2ea86fc6e5badf7480
PDF
Publication pagebd2942ec740e7f326eef129e2d24ac48de7b186f3d2a8cc61f49347e3474f85c
Manifestc24632efae150448a52273d4978afbed885973981e5f6c8b9e84b8effc105f75

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
SignaturevObJjh3Tb6iWbrNCrljXPDbM3z9iAiavvMJqV+lP31B9EEfogHfYei/fOl+kllm54VvVgG6Zwil8pN+NuThaBA==
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

2026-09-17T11:52:31.812319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022947
observed bd2942ec740e7f326eef129e2d24ac48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:31.794281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022947/manifest.json
observed c24632efae150448a52273d4978afbed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:31.776827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022947/publication.md
observed b124df4ba9166387783559d92a1c9574...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:31.758244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022947/publication.txt
observed 3b329172af3396642c74658df3ba713e...
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.