Pith Number

pith:SWOYLQ4Z

pith:1999:SWOYLQ4ZVLVDZ2AADDOP5MHJWZ

not attested not anchored not stored refs pending

Local conserved charges in principal chiral models

A. J. Mountain, J. M. Evans, M. Hassan, N. J. MacKay

arxiv:hep-th/9902008 v2 · 1999-01-31 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SWOYLQ4ZVLVDZ2AADDOP5MHJWZ}

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	2026-07-04T16:14:38.791078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

959d85c399aaea3ce80018dcfeb0e9b67d1d4948d5e1db0f4ac4d0bfbdbdb465

Aliases

arxiv: hep-th/9902008 · arxiv_version: hep-th/9902008v2 · doi: 10.48550/arxiv.hep-th/9902008 · pith_short_12: SWOYLQ4ZVLVD · pith_short_16: SWOYLQ4ZVLVDZ2AA · pith_short_8: SWOYLQ4Z

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/SWOYLQ4ZVLVDZ2AADDOP5MHJWZ \
  | 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: 959d85c399aaea3ce80018dcfeb0e9b67d1d4948d5e1db0f4ac4d0bfbdbdb465

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ab372173928b6ee7f7bf98d3a59d7e4a5e669950b2d6d4f6c565dc5880d83f8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-01-31T23:09:48Z",
    "title_canon_sha256": "cafee78a676dad7851a2d722c12963c296280da08b02d4bd9afd7b0ad34005b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9902008",
    "kind": "arxiv",
    "version": 2
  }
}