OpenTechnical

OT-2026-000027200

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single 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-2026-000027200) never changes.

Identity and time

Publication numberOT-2026-000027200 · never reused
Internal UUID01a0ae72-3454-7920-b7dc-43365f0fb0b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027200
StatusPUBLIC

Content hashes

Canonical text84d0282b54f78f3eda2e1c33f88c11214a3bae58d41ed0665a7cae7aed0855af
Markdownef37b43e16733c698884fefb851ce99a04ae34345e02d1c53cb46d0b31fb2c08
PDF
Publication page413f18db9c919ec71acdd072afaa71c104ad607e917a7c3797c8820ff2e20f64
Manifestcaaa171a4c8c327c9be1cdab2a4eac1889d94d1547e44ed6cb30d0e91dda9d80

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
SignatureYvqMi9ht0uSLXB2+hbN+sXYVF3n4cCv4wXOgnmGeGSIc7FdW4fM7FwTQ3M0t5+O7qXFN8Mvhyv+R5YGn8ySXDA==
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

2026-09-17T11:44:05.350308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027200
observed 413f18db9c919ec71acdd072afaa71c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.334914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027200/manifest.json
observed caaa171a4c8c327c9be1cdab2a4eac18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.316301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027200/publication.md
observed ef37b43e16733c698884fefb851ce99a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.300184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027200/publication.txt
observed 84d0282b54f78f3eda2e1c33f88c1121...
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.