OpenTechnical

OT-2026-000040245

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000040245) never changes.

Identity and time

Publication numberOT-2026-000040245 · never reused
Internal UUID01a0ae79-26ff-7be0-ba37-f0948ca3f710 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040245
StatusPUBLIC

Content hashes

Canonical textfad04dce2f3af6ff0851151aa428702d89ae1c8954c396a2655eead22140280f
Markdown27ab753fddb74029af234ca5b69e67797ba91877a1f4f58ceda03fb099fe9c21
PDF
Publication page49fbbd7eac6e377c8f14283869cece334189e1b4ceff1737f1a2594def25fc7d
Manifest1308f0d31bfb808d1a34c299e6a6fea1dd01660984da9d38e37b5f4521559259

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
SignatureHLcAdXE6ezkkfhD6RpASw6EQbHNqowpwK+WOw68ZdhjRODurB5yoqnYRUiWCLVvwlnwIbH0Rji/FzUqLDPuwCw==
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

2026-09-17T11:19:08.361503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040245
observed 49fbbd7eac6e377c8f14283869cece33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:08.344474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040245/manifest.json
observed 1308f0d31bfb808d1a34c299e6a6fea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:08.328669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040245/publication.md
observed 27ab753fddb74029af234ca5b69e6779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:08.313543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040245/publication.txt
observed fad04dce2f3af6ff0851151aa428702d...
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.