OpenTechnical

OT-2026-000025089

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000025089) never changes.

Identity and time

Publication numberOT-2026-000025089 · never reused
Internal UUID01a0ae71-2729-755c-af04-633063449044 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025089
StatusPUBLIC

Content hashes

Canonical textc91c0063c2a83068e12971711799559f36ad6eaa6f4ad7c43958a715539f5c3b
Markdown07279803703e9bd7443dbedff7d81634025a8c379825a618dca023df481b23fc
PDF
Publication page0046fd5bee2b58ec9757c79b641c89a2b368606ac40e9f50abe549ba7f862b40
Manifest1b6df80dee5b011ecf9031611d27f551fa9f51fbe6718390226b153276a24c53

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
SignaturejmZI38TKTzynlPODqmfLWf6UMcy9h9Qe9mVdy4PXSTDH2XF2NihEP4/smrROSzQeIu8ksIfLOHO1E9PVMimoAA==
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

2026-09-17T11:48:30.461421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025089
observed 0046fd5bee2b58ec9757c79b641c89a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:30.443907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025089/manifest.json
observed 1b6df80dee5b011ecf9031611d27f551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:30.421613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025089/publication.md
observed 07279803703e9bd7443dbedff7d81634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:30.404755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025089/publication.txt
observed c91c0063c2a83068e12971711799559f...
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.