OpenTechnical

OT-2026-000042615

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000042615) never changes.

Identity and time

Publication numberOT-2026-000042615 · never reused
Internal UUID01a0ae7a-c0ce-75a5-8e1c-a90c809107a8 · 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-2026-000042615
StatusPUBLIC

Content hashes

Canonical text4edc5dcd3f4aede3739fd0570e023c536224f3af5954c0c0553d45f37d94e175
Markdownde7f4ec7bb991e0186ee1e5d4d419ef1e69152eefd22bbdae9d2e632f96cad74
PDF
Publication page3ffb33de5440bf941d0f5b970118f7cc14e2aef028f17edc1731727ce6dd90db
Manifestae5970fd981ba1685a7f79a4dd2d17cfca03eae896a1e2366ad0fc99da32d0b7

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
SignatureDrU90mvLww5rRn7YG6fxIX7w3BLVkhhSozTWgy07g1glnnwDsssBC5kIAg+fAi2oxpPVKETU3syK7ti0YkghDQ==
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

2026-09-17T11:14:20.663574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042615
observed 3ffb33de5440bf941d0f5b970118f7cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:20.644814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042615/manifest.json
observed ae5970fd981ba1685a7f79a4dd2d17cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:20.623498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042615/publication.md
observed de7f4ec7bb991e0186ee1e5d4d419ef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:20.602255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042615/publication.txt
observed 4edc5dcd3f4aede3739fd0570e023c53...
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.