OpenTechnical

OT-2026-000103048

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000103048) never changes.

Identity and time

Publication numberOT-2026-000103048 · never reused
Internal UUID01a0aea4-be3d-71e8-b085-3e82bacd4bb2 · 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-2026-000103048
StatusPUBLIC

Content hashes

Canonical textccaae678a93d390fbf81a628d01b8c49db7074b3e31f3cac53f7b401e6807467
Markdown0cfccfb6d760930f0aec88f728e5e03a3c4f7efeb273e5100d9cd8c6c40175b1
PDF
Publication page8d4d0338c6cce4fe1425505bcd24001d94887c235d6d2a59f27c20b7e306bbf9
Manifestf28d8891108e34fe409b0f3d21ee93f7ecd8a6747c73ed5be0773ac087fb03c7

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
SignatureNaMXCmcVZ3OcNv8rCblQJJvM0pIUUup25CrFs851zWjrUjRqg3Vu/LKMYQ3pQY1OtB4jh8ZmbnpRcWxO+sfBCw==
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

2026-09-17T09:23:10.410920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103048
observed 8d4d0338c6cce4fe1425505bcd24001d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.393804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103048/manifest.json
observed f28d8891108e34fe409b0f3d21ee93f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.375357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103048/publication.md
observed 0cfccfb6d760930f0aec88f728e5e03a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.357282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103048/publication.txt
observed ccaae678a93d390fbf81a628d01b8c49...
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.