OpenTechnical

OT-2026-000050063

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000050063) never changes.

Identity and time

Publication numberOT-2026-000050063 · never reused
Internal UUID01a0ae81-fd78-7a3c-9410-1377a963d12c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050063
StatusPUBLIC

Content hashes

Canonical text4e96476757f3d5c2309e0649142d3a56de80cedfc68c4073f7240b465b1dcf1a
Markdown4bb40399eef4ff830375d8f0fba69de80bf5469ca960b01db3ff41152dc769e0
PDF
Publication page0ea3178a94689092e4cf028a1601c00ac38b1f094e57a77e6b730fec8e7719c0
Manifestac1c3defa8f828f6d76a1c1864df97ac6e053c114fe14f217f916093b22a6dd6

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
SignatureGTkfe8d3du7B0TVaL0s+U2+E4Q1QKkrBis2jJeG2nebpouAeyDFjYGNZVO6b2L17KvI0TAWdg9zKI8U5y+CQAQ==
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

2026-09-17T11:02:02.834709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050063
observed 0ea3178a94689092e4cf028a1601c00a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:02.815496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050063/manifest.json
observed ac1c3defa8f828f6d76a1c1864df97ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:02.797158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050063/publication.md
observed 4bb40399eef4ff830375d8f0fba69de8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:02.780118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050063/publication.txt
observed 4e96476757f3d5c2309e0649142d3a56...
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.