OpenTechnical

OT-2026-000023342

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, sustained blow-off 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-2026-000023342) never changes.

Identity and time

Publication numberOT-2026-000023342 · never reused
Internal UUID01a0ae70-7268-71e5-a3a4-fc9c167239c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023342
StatusPUBLIC

Content hashes

Canonical text2de10163284f8056c21761e64d3bc36aabf20d0cd03e6691cf375203932a2ed8
Markdownb0b109bb26062f76622a7b60a189ff297af4fdd8ff13d6450e160df39c532333
PDF
Publication page5a57f2aa8a826b8b8896e7ef90886562041623562f6cc196805c94660234bedf
Manifest92d87b3eb228aede4b8d1b7507a8e0942923ee0a76bf0636128d2c8c6fba4673

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
SignatureQvwBIfvtlw5u7F51Iy8ibIsGPmr7fi4gtcQrioP5ovxnMnJRyqBbxyB1kRS+V8NRA/+wm1UtSVd69txj5YxmDg==
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

2026-09-17T11:51:26.038499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023342
observed 5a57f2aa8a826b8b8896e7ef90886562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:26.020807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023342/manifest.json
observed 92d87b3eb228aede4b8d1b7507a8e094...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:26.002649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023342/publication.md
observed b0b109bb26062f76622a7b60a189ff29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:25.985346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023342/publication.txt
observed 2de10163284f8056c21761e64d3bc36a...
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.