OpenTechnical

OT-2026-000047035

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000047035) never changes.

Identity and time

Publication numberOT-2026-000047035 · never reused
Internal UUID01a0ae7e-d0f7-71d4-8f99-62dcc5b134e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047035
StatusPUBLIC

Content hashes

Canonical text8a027f13f31b480d01d2e7ae7049793a1cff8078bf048ee090955cecd6d41c1c
Markdown674894dee88f8080627c8bb8952bd0a1191ede92e4e7fc30d1ae3fe1d223aa61
PDF
Publication page126b1e6948bb97111761f49474853a25dc3f89941fe4f2222e7485852e2e5aa2
Manifest368e3ec1fbddd7d62a1095b29ca6201e44af462b2e47ce07405588d422a10fbb

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
Signaturea+Rl66qhhC1I38BGKA9JQmj3kIfiNVabcVylFEwQ34W3RQxrXg8AG3Wg9S9D9AocB4oJlfBqBVjffMMDMmbGAw==
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

2026-09-17T11:10:19.298533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047035
observed 126b1e6948bb97111761f49474853a25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:19.280104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047035/manifest.json
observed 368e3ec1fbddd7d62a1095b29ca6201e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:19.258614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047035/publication.md
observed 674894dee88f8080627c8bb8952bd0a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:19.241003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047035/publication.txt
observed 8a027f13f31b480d01d2e7ae7049793a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:47.935811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047035
observed 126b1e6948bb97111761f49474853a25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:47.918233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047035/manifest.json
observed 368e3ec1fbddd7d62a1095b29ca6201e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:47.899566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047035/publication.md
observed 674894dee88f8080627c8bb8952bd0a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:47.880529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047035/publication.txt
observed 8a027f13f31b480d01d2e7ae7049793a...
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.