OpenTechnical

OT-2026-000060844

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000060844) never changes.

Identity and time

Publication numberOT-2026-000060844 · never reused
Internal UUID01a0ae8a-b7d1-7629-8c11-2afe98155db2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060844
StatusPUBLIC

Content hashes

Canonical texte86b7f36ce1c5befa06e441a6df05f0104a5ae6f31017ec0ace90489091eb5c1
Markdownaffe3ca1edf4068e2db0e45a668629886e07430b9622bf5c5ca7677be31228fa
PDF
Publication page84694f81eb3f2120d7b312f5f5fc754b8f05f5b43f7ac3516dfaa8e2722027df
Manifest62924b5274b7f1734890a38d2f88a6241d38aea75dcde90713ad172e3682cb93

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
SignatureYYHJlEu3HOXr0+uH+716mmsIbzey1nD9z4AQ8FXy9Azt8poyX9EJTmSqQlTbC4nSkIKCAFy9B+bM4NN4/qYZAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:36.049765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060844
observed 84694f81eb3f2120d7b312f5f5fc754b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:36.030594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060844/manifest.json
observed 62924b5274b7f1734890a38d2f88a624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:36.012783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060844/publication.md
observed affe3ca1edf4068e2db0e45a66862988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:35.994264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060844/publication.txt
observed e86b7f36ce1c5befa06e441a6df05f01...
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.