Pith Number

pith:KDCQAM6V

pith:2000:KDCQAM6VBA5LURRUZ43RKO2VHC

not attested not anchored not stored refs pending

Solutions of DEs and PDEs as Potential Maps Using First Order Lagrangians

Constantin Udriste

arxiv:math/0007061 v1 · 2000-07-10 · 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{KDCQAM6VBA5LURRUZ43RKO2VHC}

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	2026-05-18T01:05:38.470526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50c50033d5083aba4634cf37153b5538b0bbd52c27a70e2ade96c6d63647175a

Aliases

arxiv: math/0007061 · arxiv_version: math/0007061v1 · doi: 10.48550/arxiv.math/0007061 · pith_short_12: KDCQAM6VBA5L · pith_short_16: KDCQAM6VBA5LURRU · pith_short_8: KDCQAM6V

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/KDCQAM6VBA5LURRUZ43RKO2VHC \
  | 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: 50c50033d5083aba4634cf37153b5538b0bbd52c27a70e2ade96c6d63647175a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78fc5ef56a83a31cbc2c1253af295045ae240529f1a8b9cde8d2ea5c6cc03bad",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.DS",
    "submitted_at": "2000-07-10T20:02:08Z",
    "title_canon_sha256": "ebc7ec7ecba980f8e997c0c54d3eb99d71188d33a0a31218152806c7a0a29b5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0007061",
    "kind": "arxiv",
    "version": 1
  }
}