OpenTechnical

OT-2026-000104090

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, 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-2026-000104090) never changes.

Identity and time

Publication numberOT-2026-000104090 · never reused
Internal UUID01a0aea5-341f-7fcc-8d7f-1cec0158edda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104090
StatusPUBLIC

Content hashes

Canonical text44cc304052bac2f5780f7f7f9a60f1fb0364800be45a9e0b96db2fc1e95e957f
Markdowna659cbff363f912394456636d053b1913db04ea0a7cfee10cd4c86ee1aa789f1
PDF
Publication paged0c5d788b3921018ad1aadbe10ed7bc45f0c104a1136164baad8fa2f459b06c5
Manifest3adf610bbf52a4284fe0f08fdbadce51a0ebda4ea82f1c90e0ce2672bd686de3

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
SignatureyYuGApdDUYCn61rn+B8S9AwpYAZyAzr6mcnzk+Uojro9e5PV8nwwHweiHaQifihVspvfjjFnophhgsANRq8JBQ==
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

2026-09-17T09:20:09.596930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104090
observed d0c5d788b3921018ad1aadbe10ed7bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.578358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104090/manifest.json
observed 3adf610bbf52a4284fe0f08fdbadce51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.561418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104090/publication.md
observed a659cbff363f912394456636d053b191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.544482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104090/publication.txt
observed 44cc304052bac2f5780f7f7f9a60f1fb...
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.