OpenTechnical

OT-2026-000047687

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed 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-2026-000047687) never changes.

Identity and time

Publication numberOT-2026-000047687 · never reused
Internal UUID01a0ae7f-c41f-7c50-b159-de9523b37ec0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047687
StatusPUBLIC

Content hashes

Canonical textf910d4eb1cc0f04c7ad45b4e009b429c0f27f3a50d12853ecdd6d845e7569c20
Markdownc47225cb139f64be45aa340d544f516228e5895de5e80b22a6ea0db6ac62053d
PDF
Publication page2b260ad652d4b187947944d78efb6ac8c367a1a8cbde62e20c777fb640a9f73c
Manifest451c75e8a83e80adbc90f2e07f97e21fa976a89bb33ae74d2dd4c44628fd54e5

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
Signature2Ln05skrOiSl8D8xGyCfEgh4UUTMZzZuCKn/2G+BBHE+995+AGAtAIC2BNhSUqpu0Aes7T7HEkPglE9pcWpODg==
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

2026-09-17T11:05:32.252147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047687
observed 2b260ad652d4b187947944d78efb6ac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:32.232479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047687/manifest.json
observed 451c75e8a83e80adbc90f2e07f97e21f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:32.211050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047687/publication.md
observed c47225cb139f64be45aa340d544f5162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:32.190046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047687/publication.txt
observed f910d4eb1cc0f04c7ad45b4e009b429c...
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.