OpenTechnical

OT-2026-000033646

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump 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-2026-000033646) never changes.

Identity and time

Publication numberOT-2026-000033646 · never reused
Internal UUID01a0ae75-a38f-7119-b710-cf5f8a711267 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033646
StatusPUBLIC

Content hashes

Canonical text4d85e3863294173c12ef8aaa91371d6e2dbac84a476552f520f25488e93f0b08
Markdown1a5da035b489e5156c2149e98c4bc0cfbf194226d499367197acd7e75be74793
PDF
Publication pagea22148585ffd06ad681edef7d8208b7a8f8812707b6764ff4cabfa85b382d13f
Manifest154b8421235613041cde96d0faa5d557168e4cbd56f9e747078d14e00e52697f

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
SignatureuXU57Slah4jce/rY1YHMIrtzBlFwOPD0OLRltGk+1Ppo0GZA78kSWKFCYdbtKZyaVNOgWPzGj99FpE1bvQxFDQ==
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

2026-09-17T11:31:37.729829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033646
observed a22148585ffd06ad681edef7d8208b7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:37.708649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033646/manifest.json
observed 154b8421235613041cde96d0faa5d557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:37.693023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033646/publication.md
observed 1a5da035b489e5156c2149e98c4bc0cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:37.676365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033646/publication.txt
observed 4d85e3863294173c12ef8aaa91371d6e...
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.