OpenTechnical

OT-2026-000103311

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000103311) never changes.

Identity and time

Publication numberOT-2026-000103311 · never reused
Internal UUID01a0aea4-be3f-7438-bb6d-54fa1fbd1eec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103311
StatusPUBLIC

Content hashes

Canonical texta07ad3417e5f58b5ab155f39501b03206fc1055ef27abd4c995a82a0f905b368
Markdownd3d216f620375cb7c19d1ee7bde2a7936703062b58a045ca4f4ce0a1a3184524
PDF
Publication pagefe42d4bf6aec7b579ad0560ddf537b2e06e0dade03746d2db23042f8916fca40
Manifestbfc0152b008ba8581e2b7a591a7402726f9b72fdac989fbffc3b9daef7fa5816

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
SignatureSMhO4pQvaS02DegkqI9q8dDg1O7iw7OY5q/X2PFm1EIYI3925dJJM4dV6FejsYS/IMSe0UzDfG7WTJWPmPNaAQ==
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

2026-09-17T09:23:33.586913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103311
observed fe42d4bf6aec7b579ad0560ddf537b2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:33.570193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103311/manifest.json
observed bfc0152b008ba8581e2b7a591a740272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:33.543924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103311/publication.md
observed d3d216f620375cb7c19d1ee7bde2a793...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:33.522561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103311/publication.txt
observed a07ad3417e5f58b5ab155f39501b0320...
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.