OpenTechnical

OT-2026-000010707

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, vented 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-2026-000010707) never changes.

Identity and time

Publication numberOT-2026-000010707 · never reused
Internal UUID01a0ae6c-0ee8-78e1-8038-c1aba03f9aa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010707
StatusPUBLIC

Content hashes

Canonical text33240d98a742a8e0ff0c89c96f267cd4bf51133c08e675b5c4aaf8591ce7e294
Markdown1b7a04c938f26f97e8f3d056f0991e4ee3594c2a5fd6db85fef3224f5d4c14e7
PDF
Publication page2b61d2347888437ce2f12dfe0b2886fe83c09b5bb1ca11c12ca47a82e4c9bc32
Manifestcb827c09ea64da503f2b9442625982692ef7ce4979a2b431ca0f35f7459a8a7f

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
Signaturek+bpm7K0n+FDb0thRRo3XpVWTPozNVHgwrgOksWrs2rmDUXv0MDd42lCUR41YFCqCertgP7KFJmdAP2lSt1DCA==
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

2026-09-17T12:14:55.625798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010707
observed 2b61d2347888437ce2f12dfe0b2886fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:55.606500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010707/manifest.json
observed cb827c09ea64da503f2b944262598269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:55.579909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010707/publication.md
observed 1b7a04c938f26f97e8f3d056f0991e4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:55.552324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010707/publication.txt
observed 33240d98a742a8e0ff0c89c96f267cd4...
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.