OpenTechnical

OT-2026-000025500

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000025500) never changes.

Identity and time

Publication numberOT-2026-000025500 · never reused
Internal UUID01a0ae71-5fa8-70e7-972f-79fb5158fad4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025500
StatusPUBLIC

Content hashes

Canonical text0e7a63339c0a333387bb0d6f47119cbb808492585036dba614385a93074f8872
Markdown868cb1fd15169563720e0e686f64f43ac823042c59121aff2ae44b3735bb1681
PDF
Publication page083a5e3d1a9f14cba60c37edcb41a1418e1f6622f8a360bed950ee6bb91437ff
Manifest22518e51efabef4fe16125cdaca851a9675832b0b916e93cc65a23fa3906b678

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
SignaturebRBTBDjBqMgMMoy9R18A3JwRZElCQH0bV/l90hFEAL1m0p8l/wU1yP71aC9dxCS86isO7uZ0p/2Ve29Qe9nHCw==
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

2026-09-17T11:47:35.859259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025500
observed 083a5e3d1a9f14cba60c37edcb41a141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:35.840824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025500/manifest.json
observed 22518e51efabef4fe16125cdaca851a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:35.819103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025500/publication.md
observed 868cb1fd15169563720e0e686f64f43a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:35.800552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025500/publication.txt
observed 0e7a63339c0a333387bb0d6f47119cbb...
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.