OpenTechnical

OT-2026-000047825

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000047825) never changes.

Identity and time

Publication numberOT-2026-000047825 · never reused
Internal UUID01a0ae7f-c420-7d6d-aef9-00efe7fb886b · 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-2026-000047825
StatusPUBLIC

Content hashes

Canonical texte8d66a765f6ac01918cdfca6140f2553ebc97469f40a9fb5636cca52b7c78c96
Markdown900d87e5b9b49cb66b75a35c302661f31bb96f7e79dbfca1a10be7eddaade8b5
PDF
Publication pagead0713b6fa0bf4c250c486da3ca55d7d8aa00b98558f2419baebf57872297c87
Manifest039562a9bcfecdcd9c7418806b7c293cd5165a6e2e5e581c57021650550e7ecd

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
Signature7Gh8+l/o929uWm5Jxlt+xU7fs6Y1eBj4mFX7DzeORchXn9+hrYHeMXC2GWRysWbFFkRBc0e2dxtpaursCyHADA==
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

2026-09-17T11:05:44.171970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047825
observed ad0713b6fa0bf4c250c486da3ca55d7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:44.122871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047825/manifest.json
observed 039562a9bcfecdcd9c7418806b7c293c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:44.100488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047825/publication.md
observed 900d87e5b9b49cb66b75a35c302661f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:44.053958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047825/publication.txt
observed e8d66a765f6ac01918cdfca6140f2553...
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.