OpenTechnical

OT-2026-000033622

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000033622) never changes.

Identity and time

Publication numberOT-2026-000033622 · never reused
Internal UUID01a0ae75-a38f-7ad9-8102-7269d217ea44 · 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-2026-000033622
StatusPUBLIC

Content hashes

Canonical textb9a7f61524f1b17e75fd2a32b112de113b85fc8ac3bf9f0bd579174052417ab9
Markdown98f09f669439e996c2294ee1cf2bc49d9d5339f4f069621406617513a022e09e
PDF
Publication pageb1649dd2eab258120413fa54f6f513a4150a4109567011b55ec2e2b488d27fd7
Manifest31f9818d4aa7a049d9a2c1cfdddbb046e427c1182a148534bd4908f23ba84f26

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
SignatureovM23FTMcRaRS8YnyiSxSZXraTlCabxizBUudBIglS1bQ/lYUb3AmpOg8LA/vZ8n4S1IYNwm5fKLZgeeXgLBAw==
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

2026-09-17T11:31:35.965457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033622
observed b1649dd2eab258120413fa54f6f513a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:35.948964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033622/manifest.json
observed 31f9818d4aa7a049d9a2c1cfdddbb046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:35.930897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033622/publication.md
observed 98f09f669439e996c2294ee1cf2bc49d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:35.913282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033622/publication.txt
observed b9a7f61524f1b17e75fd2a32b112de11...
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.