OpenTechnical

OT-2026-000103564

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000103564) never changes.

Identity and time

Publication numberOT-2026-000103564 · never reused
Internal UUID01a0aea4-e461-77fd-bccc-fdb4d71d8687 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103564
StatusPUBLIC

Content hashes

Canonical text25edbe6ae34e89d115d62545c18dac0b40f7144f4be7b37d100073476685612c
Markdown515917799aec4c4fd4a771649d45c6666ddd98fe7a42b4ba53013b5c151fc74f
PDF
Publication pagece873864ae935601945a588b6bebfa62dec3b4db9c9795d9e8dd4925751baddb
Manifested735c4b86f4a0e6411768da6a64fe471543a559a9f99c3cd1662143fb1567e3

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
SignaturehP6ylCf4vyXE5yXO3Uu21NqN7YXRBRTGamoATzir2KzP+234qBs6AUUpzgtRi0LlXbdI7VjXTO1aWzC6Y1udCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:20.681565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103564
observed ce873864ae935601945a588b6bebfa62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:20.664531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103564/manifest.json
observed ed735c4b86f4a0e6411768da6a64fe47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:20.645866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103564/publication.md
observed 515917799aec4c4fd4a771649d45c666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:20.628833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103564/publication.txt
observed 25edbe6ae34e89d115d62545c18dac0b...
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.