Pith Number

pith:ZXEEUTMH

pith:2008:ZXEEUTMH4T723ORTEABCMJCOTI

not attested not anchored not stored refs pending

An old Method of Jacobi to find Lagrangians

M.C. Nucci, P.G.L. Leach

arxiv:0807.2796 v1 · 2008-07-17 · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZXEEUTMH4T723ORTEABCMJCOTI}

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	2026-05-18T02:15:44.933388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdc84a4d87e4ffadba33200226244e9a0daa797cfb294382e6e81291d001b0be

Aliases

arxiv: 0807.2796 · arxiv_version: 0807.2796v1 · doi: 10.48550/arxiv.0807.2796 · pith_short_12: ZXEEUTMH4T72 · pith_short_16: ZXEEUTMH4T723ORT · pith_short_8: ZXEEUTMH

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/ZXEEUTMH4T723ORTEABCMJCOTI \
  | 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: cdc84a4d87e4ffadba33200226244e9a0daa797cfb294382e6e81291d001b0be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cb85d5aa0c6577e60e341ee2607ae49b931a707053dcb4a6463ef1c9100eee3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2008-07-17T14:43:27Z",
    "title_canon_sha256": "197beaa51d63e2d5e09c51df98f3e73109c579703798ce4271b7572dbe58cf62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.2796",
    "kind": "arxiv",
    "version": 1
  }
}