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Pith Number

pith:UI54Q2GZ

pith:2002:UI54Q2GZPM6VX72FSPASXLMRYE
not attested not anchored not stored refs pending

Collapse of a Scalar Field in 2+1 Gravity

Anzhong Wang, Eric W. Hirschmann, Yumei Wu

arxiv:gr-qc/0207121 v1 · 2002-07-30 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UI54Q2GZPM6VX72FSPASXLMRYE}

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.

Cited by

3 papers in Pith

Receipt and verification
First computed 2026-07-04T15:45:34.518967Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a23bc868d97b3d5bff4593c12bad91c1328d6c4f7241714f7c1e950da88360e9

Aliases

arxiv: gr-qc/0207121 · arxiv_version: gr-qc/0207121v1 · doi: 10.48550/arxiv.gr-qc/0207121 · pith_short_12: UI54Q2GZPM6V · pith_short_16: UI54Q2GZPM6VX72F · pith_short_8: UI54Q2GZ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UI54Q2GZPM6VX72FSPASXLMRYE \
  | 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: a23bc868d97b3d5bff4593c12bad91c1328d6c4f7241714f7c1e950da88360e9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3938e79a3dbc329049671273003fd7d8748f799ca1b6a47c7f97bcc1271044f4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2002-07-30T19:53:06Z",
    "title_canon_sha256": "2f64c863aba7e91e7640179b00fe9c9e3d569312a4b4fec7ab92a7862747b760"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0207121",
    "kind": "arxiv",
    "version": 1
  }
}