OpenTechnical

OT-2026-000103198

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000103198) never changes.

Identity and time

Publication numberOT-2026-000103198 · never reused
Internal UUID01a0aea4-be3e-78bc-b180-e6342e019e42 · 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-2026-000103198
StatusPUBLIC

Content hashes

Canonical text486fdf29c9b8c6a27ae51149c066af4093d1d3b986b4dbe6dbbd840d5a0ee154
Markdown20493f82a2a23663d35c0f0c0afedefdada1dea9165fe9914a6454fc0aaa147e
PDF
Publication pagee118cdec70e7ebb7f1862f3b21a4bf4fab0dfbe9036bf594e6e738876edacba6
Manifestb336abf6393dcaa5039ff15717995a22439d1728f0c80fb7b37cdee3e8fad2f7

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
Signaturem9PANrkjC6Jg5tg2+yQM0++TJW+5Aac2vx+RD4hfWP8GClgC97/kEMG9d1lKPqzYQnChtzJrN6JAySGMsDFeAg==
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

2026-09-17T09:23:25.400625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103198
observed e118cdec70e7ebb7f1862f3b21a4bf4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.382204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103198/manifest.json
observed b336abf6393dcaa5039ff15717995a22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.364694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103198/publication.md
observed 20493f82a2a23663d35c0f0c0afedefd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.346713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103198/publication.txt
observed 486fdf29c9b8c6a27ae51149c066af40...
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.