OpenTechnical

OT-2026-000023657

Publication integrity record

Single cup vacuum gripper, two stage ejector, 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-2026-000023657) never changes.

Identity and time

Publication numberOT-2026-000023657 · never reused
Internal UUID01a0ae70-aed4-7e5e-bf39-32e5f608f1dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023657
StatusPUBLIC

Content hashes

Canonical text368818f7d00e8e27cca0d66841a9f67388b767fcad126fd74333f830e1465760
Markdown1c84dffda95902f034e090c07ddc19157d435e045c587584ba3949b9dd28a696
PDF
Publication pagea536ff2ace4c62d525f5e6a81a6a1432832a472489cb12dd344bb554a8f1eacc
Manifestc291e030d2a1675c7ef6181233a76b02e9c00a12356e4ee04e6a2086fa2213ee

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
SignatureZiS961Prt5FxDDH2rQVHr5KL0SdyIxjNSUunZKlCNsLs3jb0YmWubcyJAwMfOTcPDSxZ//g3eIrbr1TUW+IZDA==
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

2026-09-17T11:49:58.317742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023657
observed a536ff2ace4c62d525f5e6a81a6a1432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:58.296410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023657/manifest.json
observed c291e030d2a1675c7ef6181233a76b02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:58.276731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023657/publication.md
observed 1c84dffda95902f034e090c07ddc1915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:58.257538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023657/publication.txt
observed 368818f7d00e8e27cca0d66841a9f673...
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.