Pith Number

pith:W7RWJJKQ

pith:1993:W7RWJJKQPFSP276PEEYFQM4JWX

not attested not anchored not stored refs pending

Topologica Defects and Corrections to the Nambu Action

M.D. Maia (Universidade de Brasilia), Vanda Silveira

arxiv:gr-qc/9303017 v1 · 1993-03-11 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W7RWJJKQPFSP276PEEYFQM4JWX}

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

1 paper in Pith

Effective Strings in QED$_3$

Receipt and verification

First computed	2026-07-04T15:29:20.375635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7e364a5507964fd7fcf2130583389b5f44175c6b4a1236bef83a630d5855298

Aliases

arxiv: gr-qc/9303017 · arxiv_version: gr-qc/9303017v1 · doi: 10.48550/arxiv.gr-qc/9303017 · pith_short_12: W7RWJJKQPFSP · pith_short_16: W7RWJJKQPFSP276P · pith_short_8: W7RWJJKQ

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/W7RWJJKQPFSP276PEEYFQM4JWX \
  | 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: b7e364a5507964fd7fcf2130583389b5f44175c6b4a1236bef83a630d5855298

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0f6170126d6b45c33fb3379be1415808b1d66f46672a4f70693a81fb435247c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1993-03-11T22:53:08Z",
    "title_canon_sha256": "bccc2173399b071111c7956f2efcab8aae43d6107c67c35c22c9a9fb703285dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9303017",
    "kind": "arxiv",
    "version": 1
  }
}