OpenTechnical

OT-2026-000044724

Publication integrity record

Single bellows cup vacuum gripper, pump fed, pulsed 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-2026-000044724) never changes.

Identity and time

Publication numberOT-2026-000044724 · never reused
Internal UUID01a0ae7c-39db-7711-be5f-9873e4313cd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044724
StatusPUBLIC

Content hashes

Canonical text84c08817954723991b769ebb6fb7541fc3e197e79422100e8716a6c9935534ad
Markdown02d97181d701d9b550f6872c30f6a056217d3b5a85e65e547db4a8a9ac0504bc
PDF
Publication page5625190535ff7e9dc29b037abbf36b308e9f5111b6849ba331e1f14df8c2cb1c
Manifestaa17ae57796d9d6f7940b1d14772c41ed02a2b09556232ae21336f74f63f9f89

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
Signaturefcx9TkqwAdsKeko9ETv3sO40wolSCpKc0vy6xkkUWHBCFwf2wfwrvjb1HpSN4KjeMs5mTZwAhtOwIyvoZ0c5Cg==
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

2026-09-17T11:11:59.531310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044724
observed 5625190535ff7e9dc29b037abbf36b30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:59.514561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044724/manifest.json
observed aa17ae57796d9d6f7940b1d14772c41e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:59.496538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044724/publication.md
observed 02d97181d701d9b550f6872c30f6a056...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:59.477176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044724/publication.txt
observed 84c08817954723991b769ebb6fb7541f...
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.