OpenTechnical

OT-2026-000041573

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after set-down

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-2026-000041573) never changes.

Identity and time

Publication numberOT-2026-000041573 · never reused
Internal UUID01a0ae79-e89f-77ab-9256-be53173da4bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041573
StatusPUBLIC

Content hashes

Canonical text0daf059b82cda19c666ebcf29f23f20455250b7c554f71b6a19ec9849586cc70
Markdown0f59793408ad2e389e51802a0dde2bafa2530f870396b76e93f9d6e603c14277
PDF
Publication page92206448b0f9bd41b1a17945ca14d6ca1c7beb7d75efb838eb609add1092dc96
Manifestfcb134e6f647c1985e630e8f48b0799db5bd65ff0002d2a82c0e3fc41033da61

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
SignatureTAq4zNweRIm7ejijp0bU8W6Ylgs6e8oy4qZNvqCQnqTUkxvWOvAHDJTJHKP4VYsuuSKIpIp5HV4NeGC0VXhlAA==
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

2026-09-17T11:16:21.360236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041573
observed 92206448b0f9bd41b1a17945ca14d6ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.341783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041573/manifest.json
observed fcb134e6f647c1985e630e8f48b0799d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.323447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041573/publication.md
observed 0f59793408ad2e389e51802a0dde2baf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.306443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041573/publication.txt
observed 0daf059b82cda19c666ebcf29f23f204...
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.