OpenTechnical

OT-2026-000098670

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000098670) never changes.

Identity and time

Publication numberOT-2026-000098670 · never reused
Internal UUID01a0aea2-42ad-7d94-816e-c97ba394d431 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098670
StatusPUBLIC

Content hashes

Canonical text3beb22868e78c5510826db99dc216b5a9dfa9219c08650f129e66d76794a89fe
Markdownfe97118fc3c4f1492c71052676e8dd164a0d356d395fd57ff32b720554847e62
PDF
Publication page5c4e476c75bf23e60596679a7e2eabc9cb3b8f244d4e85049c3fe9dde34b09c6
Manifestb42ce7b0f0649e0dc57a78a2a9a1fd8adce7f39c71c34de3e60c45b2e0deca4d

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
SignatureuA+GgJ9uG0+1T9y8bML5k7dvr1OzNM+BGtGGXiE5ExvLtHFPK93q9dDItVzgG45725CTWkqfBpq0k78uV5dOCw==
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

2026-09-17T09:30:58.203894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098670
observed 5c4e476c75bf23e60596679a7e2eabc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:58.184613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098670/manifest.json
observed b42ce7b0f0649e0dc57a78a2a9a1fd8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:58.166629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098670/publication.md
observed fe97118fc3c4f1492c71052676e8dd16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:58.148088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098670/publication.txt
observed 3beb22868e78c5510826db99dc216b5a...
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.