OpenTechnical

OT-2026-000047984

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000047984) never changes.

Identity and time

Publication numberOT-2026-000047984 · never reused
Internal UUID01a0ae7f-c422-73c4-8ca7-87e341e3e597 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047984
StatusPUBLIC

Content hashes

Canonical textf544894d92c6d6c5b78eb37c0dbe88e93d86ad484071c06d91731142a3ef9a54
Markdown0d116e319cec57538339c515f619150827cf1ebd185078f3dad36d70c214cb12
PDF
Publication page5fd847cadade36f7fb94abc7c7f427c90309c72be7146453cdf18f99518ae8fb
Manifest2ec7596eb1f38e64e9aa96d03fa41ec487c0758366c525b9a80c5921f56fe58b

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
Signaturewael+dlrSQP9aotCj4YlTPTMKgtcngsha1r/ISPTAQPyamVwe2LBuEfz6TS6NIItT+DU4gKdr9tjuRiAfJ3tBw==
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

2026-09-17T11:05:57.966096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047984
observed 5fd847cadade36f7fb94abc7c7f427c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:57.946049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047984/manifest.json
observed 2ec7596eb1f38e64e9aa96d03fa41ec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:57.927777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047984/publication.md
observed 0d116e319cec57538339c515f6191508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:57.910832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047984/publication.txt
observed f544894d92c6d6c5b78eb37c0dbe88e9...
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.