OpenTechnical

OT-2026-000034040

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000034040) never changes.

Identity and time

Publication numberOT-2026-000034040 · never reused
Internal UUID01a0ae75-df0c-7e5c-92e1-b683d1e806f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034040
StatusPUBLIC

Content hashes

Canonical text5cd93393eb4b4e63f59d1e485108d5ad779785c2ed11b34eca241dc1e5631213
Markdown336f3a0cd4ca972c8633b16f2c72fe294e0052c46460a0b5d33b8b13d9f101e1
PDF
Publication page9a381370c8d26ffbbcb70b5a1fe17201a38d6ecf2efde30ba7330cf846a5ec40
Manifestd84011c8be9adcd5c8f79df0acbd11b667c48cdcd00fbd7c6b111ca58f3b1343

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
SignaturegaYH5WXB98Ji7TWkueuI4+sPQoK4GX+cbksehEEe37etW+d1sMn+XpcodN/CVkWP2WhwpEsbCa3H+3MB75BECw==
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

2026-09-17T11:30:16.420619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034040
observed 9a381370c8d26ffbbcb70b5a1fe17201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.402715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034040/manifest.json
observed d84011c8be9adcd5c8f79df0acbd11b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.382953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034040/publication.md
observed 336f3a0cd4ca972c8633b16f2c72fe29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.366537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034040/publication.txt
observed 5cd93393eb4b4e63f59d1e485108d5ad...
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.