OpenTechnical

OT-2026-000050409

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000050409) never changes.

Identity and time

Publication numberOT-2026-000050409 · never reused
Internal UUID01a0ae82-5c48-7fdb-a9f1-456f922c1df3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050409
StatusPUBLIC

Content hashes

Canonical text320cbf9f257ee891b6b7ceac59746e009c501cd492c78f8c002de778916c8bc9
Markdown1863a898b5dbc3de56b77ba31ce6ab0b5c8170074baa246258ddbbc589b846f5
PDF
Publication pagebeb47e7b5cd274b6d6a6fd4a440106363ce106bd30257eac72ae35ea30a165bc
Manifesteeab526a50cdad5c5bba7d3ba77a79a9a5c5abda0dd234571b134db5adebd4a4

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
SignatureyUsSd9blldWUYG9MsayUiOnhwFhIDCAsUk+0yOZL4NF1aWb8o1Q/C0recJaZl+0k4BRGpD0h+PJDqL4lvDyxAw==
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

2026-09-17T11:01:27.122166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050409
observed beb47e7b5cd274b6d6a6fd4a44010636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.106242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050409/manifest.json
observed eeab526a50cdad5c5bba7d3ba77a79a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.088910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050409/publication.md
observed 1863a898b5dbc3de56b77ba31ce6ab0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.072108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050409/publication.txt
observed 320cbf9f257ee891b6b7ceac59746e00...
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.