OpenTechnical

OT-2026-000010548

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, sustained 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-2026-000010548) never changes.

Identity and time

Publication numberOT-2026-000010548 · never reused
Internal UUID01a0ae6c-0ee7-798f-ae44-e7f63af42b0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010548
StatusPUBLIC

Content hashes

Canonical textfe99fcce62b403ab123ca25ba72ebdbc4e2fca7eecd7d2c39af8685b4b26f5f3
Markdownfcc75d6762d1643d20dcc53752be6067162b9611390a7428ba6d7cf852269c78
PDF
Publication page2ed45387d8402421e432c034ee08a18f6e54d66981d530f264dffec699cce7d3
Manifest2e9490bac401ac6cc66fb8950b480c287602df5806823d08ca65f718d6a970fe

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
SignatureSm3g5suidgfLLDkiiGAS8sm3/3ehQYa6BVKhlsB6roZcPDe2UI9ZccAO5fIrlljlrUV1+T00rLjtOw9TdL44BA==
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

2026-09-17T12:14:43.012461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010548
observed 2ed45387d8402421e432c034ee08a18f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:42.990390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010548/manifest.json
observed 2e9490bac401ac6cc66fb8950b480c28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:42.968231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010548/publication.md
observed fcc75d6762d1643d20dcc53752be6067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:42.946537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010548/publication.txt
observed fe99fcce62b403ab123ca25ba72ebdbc...
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.