Pith Number

pith:OPWYY3F4

pith:2000:OPWYY3F4IC6APLB6IE2DV3SXPA

not attested not anchored not stored refs pending

3D van der Waals $\sigma$-model and its Topological Excitations

Moscow), S.A.Bulgadaev (Landau Institute

arxiv:hep-th/0002041 v1 · 2000-02-05 · hep-th · cond-mat

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OPWYY3F4IC6APLB6IE2DV3SXPA}

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	2026-05-18T04:33:04.961744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73ed8c6cbc40bc07ac3e41343aee57782fe4175879cd0edf9d7e6033ce56e9d7

Aliases

arxiv: hep-th/0002041 · arxiv_version: hep-th/0002041v1 · doi: 10.48550/arxiv.hep-th/0002041 · pith_short_12: OPWYY3F4IC6A · pith_short_16: OPWYY3F4IC6APLB6 · pith_short_8: OPWYY3F4

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/OPWYY3F4IC6APLB6IE2DV3SXPA \
  | 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: 73ed8c6cbc40bc07ac3e41343aee57782fe4175879cd0edf9d7e6033ce56e9d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf1e02a6b02fa634de717f9b462c5f74129dbc8e06e44a810314e079dd137308",
    "cross_cats_sorted": [
      "cond-mat"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2000-02-05T17:09:23Z",
    "title_canon_sha256": "dbd2ec31728d0101c7dbd7e6789f50b00b5c8130c743a9c9c173d0a9a158d77f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0002041",
    "kind": "arxiv",
    "version": 1
  }
}