OpenTechnical

OT-2026-000017232

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000017232) never changes.

Identity and time

Publication numberOT-2026-000017232 · never reused
Internal UUID01a0ae6e-76c8-7641-b1ef-ad6e4aec2c3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017232
StatusPUBLIC

Content hashes

Canonical texta73b0dfca6fab2b8ce25b31aad1d8cab3468e18f2b7fc119c46f224313142a1a
Markdownc1e7c6956f517d3c6273fbd45db9fc13721e045e94e59825037fd0f116376c46
PDF
Publication page218f18c899b929202659a00cb51ea0116d3fc837aa00dc274c76b680c6814b11
Manifest98bceaca8bfada8a443a3c4646641bd40433d60f7c8c63de7ae4cde62be90354

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
Signature7bXGBoRnkpnxZcROxscrnS/TYqGu0d4VgiWs+e77/KbfhU7aJZ+rci4ZXyE20jeILqGLVDGwGNbkFwmfetfTBg==
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

2026-09-17T12:02:18.785823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017232
observed 218f18c899b929202659a00cb51ea011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:18.770980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017232/manifest.json
observed 98bceaca8bfada8a443a3c4646641bd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:18.754548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017232/publication.md
observed c1e7c6956f517d3c6273fbd45db9fc13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:18.737990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017232/publication.txt
observed a73b0dfca6fab2b8ce25b31aad1d8cab...
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.