OpenTechnical

OT-2026-000104283

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000104283) never changes.

Identity and time

Publication numberOT-2026-000104283 · never reused
Internal UUID01a0aea5-3420-7cf0-b579-79d1ffcf2831 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104283
StatusPUBLIC

Content hashes

Canonical textbb6d40726fc3d623f787b6a84d06ab28ec2fefe3cb5f2eac66b81bc78727a64b
Markdown26b56d8dc628d5b6804e54353045e285886e2a21e74a83d6b69d0eba14e476f5
PDF
Publication page5a456acf8111f8c6a5458153eba036ce3344d57adc1e795202cb95f5d0d92d24
Manifest7a7a70161471ac5c285b73d33cc843ed65a4d6ef7e4e72fd0434b80316998afe

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
SignatureTM6SvguMpKUJnTqz+VDFSYBPACig9Pmxf1YJBRbAbrQB1MxmMuRLQVJP2xO/HE5FH7YMu3B5vgcysXFcngIgDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:24.124562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104283
observed 5a456acf8111f8c6a5458153eba036ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:24.105966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104283/manifest.json
observed 7a7a70161471ac5c285b73d33cc843ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:24.088216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104283/publication.md
observed 26b56d8dc628d5b6804e54353045e285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:24.070692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104283/publication.txt
observed bb6d40726fc3d623f787b6a84d06ab28...
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.