OpenTechnical

OT-2026-000011604

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, pulsed 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-2026-000011604) never changes.

Identity and time

Publication numberOT-2026-000011604 · never reused
Internal UUID01a0ae6d-193f-7d6b-950b-22db2cf30fdb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011604
StatusPUBLIC

Content hashes

Canonical textad05f4075f06f112e3095bc7d4f1cf7d9f055f0535598e210bf693dabdc1a54e
Markdown81e208b8feb7d7ab38853e3c75eb3cf1158f9ae3a3124838370a5dad4c5985c3
PDF
Publication pagee7f26f7eb7247a1e4fac392aad403e7d476b69b19af0bc7315f2c525dac57cb2
Manifestc0b0cc44349349257b08fc5272f82256d4a2562713a3ce799e4bd1a044e2b0c9

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
SignatureN5L7uPdGkHPJItuLlS4ijIA1vAWxe50xpWHNl/txexYE81FWrfn7mKetm5pUzuk2cTiWHO0+1gNPWNP2fs9IAw==
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

2026-09-17T12:12:10.961207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011604
observed e7f26f7eb7247a1e4fac392aad403e7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:10.941796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011604/manifest.json
observed c0b0cc44349349257b08fc5272f82256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:10.923134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011604/publication.md
observed 81e208b8feb7d7ab38853e3c75eb3cf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:10.902628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011604/publication.txt
observed ad05f4075f06f112e3095bc7d4f1cf7d...
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.