OpenTechnical

OT-2026-000103038

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum 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-2026-000103038) never changes.

Identity and time

Publication numberOT-2026-000103038 · never reused
Internal UUID01a0aea4-be3d-7da3-a0f2-49579cd3db2c · 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-2026-000103038
StatusPUBLIC

Content hashes

Canonical textce56fdd51c9354ef4926404473c790dd887d0c775f3c716d4d8d2f4ee87c36c4
Markdown84c6bfdd1c202dcea3507c070296f99e71205bb2638259ef597fbb3aa613bd29
PDF
Publication pageb83a7678708fd3ddafc1c97509086114ebacdd14481a4d074a375c72fdbff942
Manifest8b7bce2ec9975ad73cd7d58a8125a2736926c78d67d6fbe34c25d2a9dac316bf

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
SignatureTRVfc45lrOn+HaWcm2Ua+r6x/6JQcWzxqGnODGOtAhMuCtHmcwjxL5RJ1+aJPv1LKJ6u2EedOeTooKqw/WupDw==
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

2026-09-17T09:23:09.683205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103038
observed b83a7678708fd3ddafc1c97509086114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:09.666105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103038/manifest.json
observed 8b7bce2ec9975ad73cd7d58a8125a273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:09.649158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103038/publication.md
observed 84c6bfdd1c202dcea3507c070296f99e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:09.631842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103038/publication.txt
observed ce56fdd51c9354ef4926404473c790dd...
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.