Pith Number

pith:BBJSIW3T

pith:2003:BBJSIW3TPJL2WV5DNGKSHB64DW

not attested not anchored not stored refs pending

Dirac reduction revisited

Krzysztof Marciniak, Maciej Blaszak

arxiv:nlin/0303014 v3 · 2003-03-07 · nlin.SI · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BBJSIW3TPJL2WV5DNGKSHB64DW}

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	2026-05-18T01:38:19.482890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0853245b737a57ab57a369952387dc1d9c490e239bc415a70e4a1baf86686460

Aliases

arxiv: nlin/0303014 · arxiv_version: nlin/0303014v3 · doi: 10.48550/arxiv.nlin/0303014 · pith_short_12: BBJSIW3TPJL2 · pith_short_16: BBJSIW3TPJL2WV5D · pith_short_8: BBJSIW3T

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/BBJSIW3TPJL2WV5DNGKSHB64DW \
  | 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: 0853245b737a57ab57a369952387dc1d9c490e239bc415a70e4a1baf86686460

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "968cee3aad1633fb7fa466998e3da56ca880a00c1c25cea9e4bafea5b0dff38b",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2003-03-07T14:03:39Z",
    "title_canon_sha256": "6cbcc684e8478affe9191e6aa5a02db3f26b860c2f3fef743ea318f0c3c9df94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0303014",
    "kind": "arxiv",
    "version": 3
  }
}