OpenTechnical

OT-2026-000013650

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000013650) never changes.

Identity and time

Publication numberOT-2026-000013650 · never reused
Internal UUID01a0ae6d-8de8-72cb-9992-765d7c1866f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013650
StatusPUBLIC

Content hashes

Canonical text14524fa4a459d9cae8c1fb1e4b6d9ed18b4e50fc291a2a8221454b7142617304
Markdownf5dac3a834d557765c7f0d2407623f6e09f81e4186966e445a04e43dcc7bb39b
PDF
Publication pagec0e9f0893f71f0fa546cb8c049b68c4eceaf8e729db8dd77829298a812147f36
Manifest46ff3a18f80ddd65bd7d2f14f3c6c9449d21b1b9fb53136900854dc1b5368a44

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
Signature1oZpTPrK8ROBQGyacp6cuU17d/rrePs7/HNYonjI2scgoE8wT+3qV895iK5TFYC6gx9g3MDyCW1/Of9rsHKuCw==
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

2026-09-17T12:08:35.281793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013650
observed c0e9f0893f71f0fa546cb8c049b68c4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:35.263009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013650/manifest.json
observed 46ff3a18f80ddd65bd7d2f14f3c6c944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:35.243945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013650/publication.md
observed f5dac3a834d557765c7f0d2407623f6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:35.226614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013650/publication.txt
observed 14524fa4a459d9cae8c1fb1e4b6d9ed1...
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.