OpenTechnical

OT-2026-000031151

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pulsed blow-off before set-down

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-2026-000031151) never changes.

Identity and time

Publication numberOT-2026-000031151 · never reused
Internal UUID01a0ae74-87ab-7c7f-85b8-2433e8fcb3e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031151
StatusPUBLIC

Content hashes

Canonical textaf692ad9a170d1405df523e85da547b35b5257c1e589b303182392324eaf691a
Markdownfed48f24d4776e5f59042d5f3fe7f753f98b78bd83a99a887af676fcba06f77e
PDF
Publication pagec4ac5660306a274a64fb95c44af9b7f7d3c93bf21e82b85cc186af9251cbe0db
Manifestc66ddc1d4655b7048c66ca26523c030756503e462df8708fa1ce7591742d0e2e

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
SignatureiDBZAf1ssODAmIjExkx0SmJcPk6iRVcwcYoIqnqLtuJWltW8pXQn/fm8Zmu5JAU+c7CxhAHM8g9pk9QQb3MoDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:35:41.471940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031151
observed c4ac5660306a274a64fb95c44af9b7f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:41.446657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031151/manifest.json
observed c66ddc1d4655b7048c66ca26523c0307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:41.426774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031151/publication.md
observed fed48f24d4776e5f59042d5f3fe7f753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:41.408598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031151/publication.txt
observed af692ad9a170d1405df523e85da547b3...
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.