Pith Number

pith:NPM3JPPC

pith:2012:NPM3JPPCLFW25SXNPOQOM7QXJ7

not attested not anchored not stored refs pending

A Generic Property of Exact Magnetic Lagrangians

Alexandre Rocha, M\'ario Jorge Dias Carneiro

arxiv:1203.6095 v1 · 2012-03-27 · math.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPM3JPPCLFW25SXNPOQOM7QXJ7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:59:04.193076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bd9b4bde2596daecaed7ba0e67e174fc68be7013c144f6aac0f33cf33bdcb52

Aliases

arxiv: 1203.6095 · arxiv_version: 1203.6095v1 · doi: 10.48550/arxiv.1203.6095 · pith_short_12: NPM3JPPCLFW2 · pith_short_16: NPM3JPPCLFW25SXN · pith_short_8: NPM3JPPC

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NPM3JPPCLFW25SXNPOQOM7QXJ7 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6bd9b4bde2596daecaed7ba0e67e174fc68be7013c144f6aac0f33cf33bdcb52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de184687b72e57d36988155db6f85816fb47c7d0f8c534c434f8eef990b1a1b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-03-27T22:17:22Z",
    "title_canon_sha256": "27c0582c54a733c5a4e03d4f12a91d8b22dd24de50a2ac18b779a4c58253f8e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6095",
    "kind": "arxiv",
    "version": 1
  }
}