OpenTechnical

OT-2026-000047657

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000047657) never changes.

Identity and time

Publication numberOT-2026-000047657 · never reused
Internal UUID01a0ae7f-c41e-7c06-bef3-cf890568aed5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047657
StatusPUBLIC

Content hashes

Canonical textc6ee4ea23e26ce7522bffe6e56280356161d1e6c822be30e5eaff55bbbc57c26
Markdown26d465272beba77f6cac77647fdd33b59670458e4ddb723c88cb62a2736730ec
PDF
Publication page1514c8de94e84841b2b15640797cf5af8118ee786ed4c30adf3f5239d8b4764a
Manifest0fc5e1ad4dcc736fa1acd25e1258ba8890e1ddce93c0de73c49ce4de87e1c45f

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
Signature5okphm5g+TeFJEXbqG/jlUUYKEzXm4XL3JlnqTfmlu6AFC97hzWHi0ZEtAVMq2pb7k6XOD6aOnMiW/U1Bj6bCQ==
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

2026-09-17T11:05:29.675720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047657
observed 1514c8de94e84841b2b15640797cf5af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:29.657391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047657/manifest.json
observed 0fc5e1ad4dcc736fa1acd25e1258ba88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:29.635857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047657/publication.md
observed 26d465272beba77f6cac77647fdd33b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:29.613735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047657/publication.txt
observed c6ee4ea23e26ce7522bffe6e56280356...
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.