OpenTechnical

OT-2026-000044958

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000044958) never changes.

Identity and time

Publication numberOT-2026-000044958 · never reused
Internal UUID01a0ae7c-911c-7f71-9f3c-2c5a54f14361 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044958
StatusPUBLIC

Content hashes

Canonical text61f18fc0faf5ce578bb6e4fb486200a2eadea23ea82568b18fe486eb5c33c88d
Markdown1dab305a41d53ad32fd678f010b552b890f9234e4ebbd8b5e6e926d3262b0554
PDF
Publication page5dc6056536cbc6c5d070344b25f41beb5d2f7ec0e748df29c0d46eeac7eec9dc
Manifestcc386d3d4c2c95ed1715a19d784d16c0307197dac8382b334ab10188ebdb0da2

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
SignaturePY/9lvP8ihbxfRWTAhmwk4xrNk73HV7dzS44vUREv6p6sejhr+Xtw0aKBEpuYWXi0Ayc1BdsqgmyS9mmeGDLAw==
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

2026-09-17T11:11:38.540477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044958
observed 5dc6056536cbc6c5d070344b25f41beb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:38.520042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044958/manifest.json
observed cc386d3d4c2c95ed1715a19d784d16c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:38.500372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044958/publication.md
observed 1dab305a41d53ad32fd678f010b552b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:38.482418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044958/publication.txt
observed 61f18fc0faf5ce578bb6e4fb486200a2...
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.