OpenTechnical

OT-2026-000061071

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000061071) never changes.

Identity and time

Publication numberOT-2026-000061071 · never reused
Internal UUID01a0ae8b-137d-7297-9b10-fdbcaa9ef8a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061071
StatusPUBLIC

Content hashes

Canonical text51369c30a64ad203906d551ab61270504d536014be2d0c564cba739b005d4c8a
Markdowna762164c27185989da01ef120a916bd356947ab5e6a5d9b75546d4c0198149fe
PDF
Publication page735c57673c1a7d024aba04231e3e5943cadbc6efa64ae07d5b5e488eb87bd341
Manifest4f0f48949b34a5b64af916c2bf0aed15227ab60b56eaf7ffba35573a80ae1e10

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
SignatureB/8iBZCG/Kd1bbE3N+Yx6X5eK4AIoQBQ8eedUTacTTe9+RDM1J+Pa5AmaehcGQpWEVX3RdFMhB266N2g8Aj5AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:25.870320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061071
observed 735c57673c1a7d024aba04231e3e5943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:25.852901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061071/manifest.json
observed 4f0f48949b34a5b64af916c2bf0aed15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:25.833323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061071/publication.md
observed a762164c27185989da01ef120a916bd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:25.816192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061071/publication.txt
observed 51369c30a64ad203906d551ab6127050...
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.