OpenTechnical

OT-2026-000035187

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000035187) never changes.

Identity and time

Publication numberOT-2026-000035187 · never reused
Internal UUID01a0ae76-6a1e-7a73-8c24-f25a67708fb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035187
StatusPUBLIC

Content hashes

Canonical textc84a23c6f89e141ca53a0bcb2bdd5d176090ec79749e5cd954a21328669f0af3
Markdown12c087e306973a4a87d323186ffeb1fbee0468615ad6469f82b1a555742d9440
PDF
Publication pageff7584b6a63b40a7fabecf7a16a288ba0466134f836c4a4ca43a83fe03a8e47f
Manifest7d75b3d46f1c79e8af1537b05fd5bb35d471119f8355a53a664302babc7e6c9a

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
SignaturenJECfLFyKYTRdX0pI8zOzUx2WQ+kIyCnaZ6IyBsMf25nCBuYp5cB0gqTRqQuc2fUypGrhr+P5MHOTqBc+E2sBA==
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

2026-09-17T11:28:18.480032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035187
observed ff7584b6a63b40a7fabecf7a16a288ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:18.462079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035187/manifest.json
observed 7d75b3d46f1c79e8af1537b05fd5bb35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:18.443722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035187/publication.md
observed 12c087e306973a4a87d323186ffeb1fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:18.397470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035187/publication.txt
observed c84a23c6f89e141ca53a0bcb2bdd5d17...
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.