OpenTechnical

OT-2026-000103303

Publication integrity record

Foam pad 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-2026-000103303) never changes.

Identity and time

Publication numberOT-2026-000103303 · never reused
Internal UUID01a0aea4-be3f-7db8-9e23-937c8e839f12 · 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-2026-000103303
StatusPUBLIC

Content hashes

Canonical textb283e4bc3519d3aee2380ae089e592e0288665ed00ed5d084be55be405b4fa29
Markdown1001a6832365769d76b90e2178993250297ac067f4da33f4426dc9ea70dc38b2
PDF
Publication page3170cd70f055efeec1e544f8e92b05605875a5ea4743dc6107c6b8cf57631a36
Manifest59452e6b7facb95de4a7fd2cc97f0181edf9a365bca0b3adecdf5606ce89c519

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
SignatureyTlHxkZmkDtXqqE4mb4ibHaUPeV9BW6UHGDxMDVuD6Xqwk0RcEOnul+7X+EOWlPqOKkbClqJhmeAp9Fat5hDCw==
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

2026-09-17T09:23:33.002677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103303
observed 3170cd70f055efeec1e544f8e92b0560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:32.985410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103303/manifest.json
observed 59452e6b7facb95de4a7fd2cc97f0181...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:32.968534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103303/publication.md
observed 1001a6832365769d76b90e2178993250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:32.952207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103303/publication.txt
observed b283e4bc3519d3aee2380ae089e592e0...
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.