OpenTechnical

OT-2026-000051785

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, vented before 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-2026-000051785) never changes.

Identity and time

Publication numberOT-2026-000051785 · never reused
Internal UUID01a0ae83-7c83-72ed-9131-e983b8214f8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051785
StatusPUBLIC

Content hashes

Canonical text6fecb3d6301ac1e15441acfd0897f230977056a9e367349abfe31a785d45f7c2
Markdowne9b2ed1c493d98f2772fe8ce002b57d09f4d4a4651bdee92f9f3968f95d71a6d
PDF
Publication page289053d573eb4f1a5e30fb5f0216f7d22cc2b6a20ae3dbd47dab752b7f9bb2e4
Manifest3a8050ad5914755299edb0d249119b07ab423f4746b16502d5eeabf180213ff9

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
SignaturegOnXraMoYBjOvdnS/x9/pX1G7f/YUKfVpuNxFyTdqDyF4oAPE9aWcgezmLR7PmMJx9aCUpXRoqejHrbqZBJsAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:41.699965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051785
observed 289053d573eb4f1a5e30fb5f0216f7d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:41.680395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051785/manifest.json
observed 3a8050ad5914755299edb0d249119b07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:41.660234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051785/publication.md
observed e9b2ed1c493d98f2772fe8ce002b57d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:41.641701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051785/publication.txt
observed 6fecb3d6301ac1e15441acfd0897f230...
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.