OpenTechnical

OT-2026-000097502

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000097502) never changes.

Identity and time

Publication numberOT-2026-000097502 · never reused
Internal UUID01a0aea1-55b4-7689-8fc9-e8f733d99635 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097502
StatusPUBLIC

Content hashes

Canonical textbb519af5760e3fc61477170724a309a52e7ef3c9aa817b69863ca35f40c0422e
Markdowne72a66da2cfc70fed377fc0c985bca50a0572239ea54bbdc4f830b34b1344817
PDF
Publication page4ab3562b64c96a800618da2fe3adb00fdd2855ed6d3d6731f40a4a3959939cdf
Manifestb59c20a45ef67d87d5edc935abcddec03ad00229a3d6f8b6190a5c6e511ccb52

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
SignaturecDZK4Q11sr1won5zp7FjGy85dnxaqY4KcDyYrEXePtQ0xXbIfmg1p1grm6ED+YPbH4FTz1o06FN713euPnO3Dw==
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

2026-09-17T09:33:22.622292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097502
observed 4ab3562b64c96a800618da2fe3adb00f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:22.606325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097502/manifest.json
observed b59c20a45ef67d87d5edc935abcddec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:22.590136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097502/publication.md
observed e72a66da2cfc70fed377fc0c985bca50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:22.573773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097502/publication.txt
observed bb519af5760e3fc61477170724a309a5...
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.