OpenTechnical

OT-2026-000040575

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000040575) never changes.

Identity and time

Publication numberOT-2026-000040575 · never reused
Internal UUID01a0ae79-6d0d-7299-ade7-1ba3254080f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040575
StatusPUBLIC

Content hashes

Canonical text5b3e1fa673a55a617cbe5850ed640375e088924567c273f92cc3b4d310793ee1
Markdown1dfcea60149a6c643f2c2f002b3ca47b2ece014f91527198610cfbee5314ba56
PDF
Publication page998eaa48140a27de9ece7e73c40ccdbb4d8679fcac426bf55b7627cd8894f8d0
Manifest8a90bea981b59095fad1d451be63c6b0c64b6e73ce8a901f7653e90c4d7ba3ef

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
SignaturestN/Hk4u/m95BfH6FjBdIuz+E3jrkeZAbolyGfX+6HPd5BPLwP4Xq30VdAKOBNVlIQ4qdwV6m1RryBgSYNO1Cg==
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

2026-09-17T11:17:44.388054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040575
observed 998eaa48140a27de9ece7e73c40ccdbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:44.370554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040575/manifest.json
observed 8a90bea981b59095fad1d451be63c6b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:44.353181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040575/publication.md
observed 1dfcea60149a6c643f2c2f002b3ca47b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:44.334059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040575/publication.txt
observed 5b3e1fa673a55a617cbe5850ed640375...
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.