OpenTechnical

OT-2026-000042463

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold 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-2026-000042463) never changes.

Identity and time

Publication numberOT-2026-000042463 · never reused
Internal UUID01a0ae7a-c0cc-742f-99f0-d8549da64d98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042463
StatusPUBLIC

Content hashes

Canonical textca2483e2dd006abdc8060ba457430c82e4ddb0e5ebba8593d8e001ed857833b0
Markdown6191fa3d992720634ea6b5487d83fc6dba2e76cecf1a61c3ecc9ca1414687d2c
PDF
Publication page20b06f138f5842d89d3c2b684928324ad8ecfa111c9dfe16853b909459f3ae5f
Manifest63dcb3cde295cb001a1933e0fdd81b708145ea511bf7dfc928cf7cde1137bf1c

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
SignatureM++gfOCNZPZl1cyXPc8ocIIJEQAo/6vwTaIS9pinD9tKxgAf4kZ2rKZr0jz5QtL49vlTiEw3NZEZPG5ELOfXBA==
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

2026-09-17T11:14:01.549207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042463
observed 20b06f138f5842d89d3c2b684928324a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:01.530640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042463/manifest.json
observed 63dcb3cde295cb001a1933e0fdd81b70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:01.510952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042463/publication.md
observed 6191fa3d992720634ea6b5487d83fc6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:01.490865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042463/publication.txt
observed ca2483e2dd006abdc8060ba457430c82...
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.