OpenTechnical

OT-2026-000013113

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000013113) never changes.

Identity and time

Publication numberOT-2026-000013113 · never reused
Internal UUID01a0ae6d-6fc8-70cb-a63a-9cac0ee1cc95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013113
StatusPUBLIC

Content hashes

Canonical text4cc3b087877164647666336ed6ab463f52b53ee2ef4039b17200ef21e9356afd
Markdown8d97394801cc19d87fae00888edb59fd64246f6b9700bc0827d4acb5f70e91e3
PDF
Publication pageb6721ec3b00dddf871d60a1465492dfa44d651b852cbea82b0cdd8dd1e0c737c
Manifest29855aca9a33ad14b80134589ca8086f807847768624545b4a4571c53ae4c020

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
SignatureCxBHd0nhpBb3DpQpEznkISIn07F+wk+go90NEc7C6k2cJeAMNCeFJURLzZ92BDemW6f4rFwh0gBnJavZv0OiCg==
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

2026-09-17T12:09:23.912978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013113
observed b6721ec3b00dddf871d60a1465492dfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:23.894004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013113/manifest.json
observed 29855aca9a33ad14b80134589ca8086f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:23.875420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013113/publication.md
observed 8d97394801cc19d87fae00888edb59fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:23.854973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013113/publication.txt
observed 4cc3b087877164647666336ed6ab463f...
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.