OpenTechnical

OT-2026-000015422

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, supply line 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-2026-000015422) never changes.

Identity and time

Publication numberOT-2026-000015422 · never reused
Internal UUID01a0ae6d-ef49-76cd-aa3b-b5776ab07340 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015422
StatusPUBLIC

Content hashes

Canonical text615421c76438d891d144f9800c9208f8b73f2fa66bd734c20f330238f583be01
Markdown391b2414ee48c9b90e30a60e9891405231dacc5615fee355f9556026db531050
PDF
Publication pageea5a9835f13f1503d9357b5681b8ec690e2f008514f27984ea411f780ad69c11
Manifest34084efcf56e14aa0a9557a44a55cbffb4672204693680ff7e76924970e5009f

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
Signaturel+CfWZqsbj1wgZ02z5w7WMe6PQueATbt2ueicXEgWi2ZGLM4hLENxsSpfREaRFV0W3eJYXrsZySIKdqA6bnBAA==
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

2026-09-17T12:06:09.350549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015422
observed ea5a9835f13f1503d9357b5681b8ec69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:09.327057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015422/manifest.json
observed 34084efcf56e14aa0a9557a44a55cbff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:09.307084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015422/publication.md
observed 391b2414ee48c9b90e30a60e98914052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:09.288160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015422/publication.txt
observed 615421c76438d891d144f9800c9208f8...
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.