OpenTechnical

OT-2026-000047907

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000047907) never changes.

Identity and time

Publication numberOT-2026-000047907 · never reused
Internal UUID01a0ae7f-c421-7b6c-bae6-b532fede0460 · 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-2026-000047907
StatusPUBLIC

Content hashes

Canonical textbaac7f91b1b0af32ce968ca206fb58b47ced98e7c6e241f633524b2bd0b91844
Markdown70d38de01d667e8b3dd669fb3dc459fd3737e08e05ed52cb0099997ab1ee251b
PDF
Publication pagee4da4c9949418d513583cc9db942077f8092e9cd5df150ab2acd996792e99a9e
Manifest53bfb3de727f86ed717c883cd62e1cb942dc0e51fabec60faf2c955518f54fc2

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
SignatureTK9giMJeT1v7OEGgDQcWtJoF+f6B5KTCNsG/jZHL7PaOxPLwYGLS5QxUx7RKoQgYht+XWKydqtKgMm1b9rIyBg==
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

2026-09-17T11:05:50.972100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047907
observed e4da4c9949418d513583cc9db942077f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:50.952003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047907/manifest.json
observed 53bfb3de727f86ed717c883cd62e1cb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:50.933400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047907/publication.md
observed 70d38de01d667e8b3dd669fb3dc459fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:50.914770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047907/publication.txt
observed baac7f91b1b0af32ce968ca206fb58b4...
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.