OpenTechnical

OT-2026-000047249

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047249) never changes.

Identity and time

Publication numberOT-2026-000047249 · never reused
Internal UUID01a0ae7f-3e56-7bfc-855f-6845749a50ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047249
StatusPUBLIC

Content hashes

Canonical text25051d34dbaf0e20208859bb81fc1db4ab343f8cf1d5f281018ce8c8f1f5fe61
Markdownd95519030480142b78060044cec61460ef1aedd51cc08ac45de7be726ee4b640
PDF
Publication page8fabab9d693eaa456a077735ad97cf10c238ddb6e57a151812d4b3f7abef7987
Manifest9b11d187f60d2103de8a9f5e47f47b9b840ae7947fb825ab184032bbfd9af5cb

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
SignatureNr5FaxjxpzxnmQ8nDhQiioDj5PQRK4O2VfyrYVbi4ogWXP/ngKOmNrOV0j3KYjgH9W62+dU6z6Ggi2GS9AjRBw==
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

2026-09-17T11:06:12.516375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047249
observed 8fabab9d693eaa456a077735ad97cf10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:12.497122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047249/manifest.json
observed 9b11d187f60d2103de8a9f5e47f47b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:12.477131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047249/publication.md
observed d95519030480142b78060044cec61460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:12.459179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047249/publication.txt
observed 25051d34dbaf0e20208859bb81fc1db4...
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.