OpenTechnical

OT-2026-000047409

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000047409) never changes.

Identity and time

Publication numberOT-2026-000047409 · never reused
Internal UUID01a0ae7f-3e57-76d4-8fe1-016196e47ac7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047409
StatusPUBLIC

Content hashes

Canonical text9432a4385ab0dc18c08bec39abf051d4e27aec3d2ea2478902ffb147482e8daf
Markdown7f93d9b5e48a0f938402011c60ae451e242bf235f14d2802aba7dbcf0b831264
PDF
Publication pagef98267f45271f4db06d25f9b7bd607666bdbf0754a7e230e23c18d2bfc8a26f8
Manifest6c1d5ede30fd12b7a0b131d8b1c12dfe226764f23ae7c3e75a738048411ee266

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
Signatureq9fPlA2jWkocU3R0Y6ZBUey1bRoc3wEdbIuE2pnV6OaJYvvC9jpcBiLrp+Qw/uaLQ+vymZXJqmH9JJKds2bVAg==
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

2026-09-17T11:06:25.435811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047409
observed f98267f45271f4db06d25f9b7bd60766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:25.418817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047409/manifest.json
observed 6c1d5ede30fd12b7a0b131d8b1c12dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:25.399915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047409/publication.md
observed 7f93d9b5e48a0f938402011c60ae451e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:25.380470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047409/publication.txt
observed 9432a4385ab0dc18c08bec39abf051d4...
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.