OpenTechnical

OT-2026-000027574

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000027574) never changes.

Identity and time

Publication numberOT-2026-000027574 · never reused
Internal UUID01a0ae72-6999-7b1e-ace9-6f526d892c23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027574
StatusPUBLIC

Content hashes

Canonical text2e9d37a72a5ef6d0820174ed0dc59e9db6fd77420ebcd0b4f33b09fd5d94585c
Markdowncb7f20fbc639049def2f90a8642916cbb10c0fae6fadec4c31a5d6efdda4f1aa
PDF
Publication page459bd007940a226232696fbcc2394cca9cb809ca71deb0fec0085d3634daa86b
Manifestd21e4a592b266408b39eb328adfc879466bea8df25907d9010bd7b5433c6f495

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
SignatureR/nvx5AXppHOik2QoCGYvz70qzH1fJtGuso4+VWGK4h+vBY50FHNBB5TqxAoJhSvfEj8N7uRfFmpLj+NY7yhCg==
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

2026-09-17T11:43:04.016518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027574
observed 459bd007940a226232696fbcc2394cca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:03.999261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027574/manifest.json
observed d21e4a592b266408b39eb328adfc8794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:03.983323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027574/publication.md
observed cb7f20fbc639049def2f90a8642916cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:03.963162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027574/publication.txt
observed 2e9d37a72a5ef6d0820174ed0dc59e9d...
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.