Pith Number

pith:7EKF4ZLI

pith:2013:7EKF4ZLIOOLWXEQXXR2PDODC3G

not attested not anchored not stored refs pending

Hedgehog ansatz and its generalization for self-gravitating Skyrmions

Fabrizio Canfora, Hideki Maeda

arxiv:1302.3232 v2 · 2013-02-13 · gr-qc · 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{7EKF4ZLIOOLWXEQXXR2PDODC3G}

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

4 papers in Pith

Hadronic lensing

(Super-)renormalizable hairy meronic black holes

Geometrically Regular Black Holes with Hedgehog Scalar Hair

Hadronic lensing

Receipt and verification

First computed	2026-05-18T03:27:22.558085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9145e656873976b9217bc74f1b862d983ffe340eef4e3e69c3f6f60150bff8c

Aliases

arxiv: 1302.3232 · arxiv_version: 1302.3232v2 · doi: 10.48550/arxiv.1302.3232 · pith_short_12: 7EKF4ZLIOOLW · pith_short_16: 7EKF4ZLIOOLWXEQX · pith_short_8: 7EKF4ZLI

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/7EKF4ZLIOOLWXEQXXR2PDODC3G \
  | 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: f9145e656873976b9217bc74f1b862d983ffe340eef4e3e69c3f6f60150bff8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6860bcfb5b2a3f08f0c3f2b880425174de211bd4a138abb243abdcb652ebab36",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-02-13T21:03:00Z",
    "title_canon_sha256": "c639757a05d424fdbb31161d53a6ed32dd42272aa27306e18b7dc2b6180924f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3232",
    "kind": "arxiv",
    "version": 2
  }
}