Pith Number

pith:7YDUL5O7

pith:2013:7YDUL5O7NSUIEDZVC5BOFAH5UI

not attested not anchored not stored refs pending

String loops in the field of braneworld spherically symmetric black holes and naked sigularities

M. Kolo\v{s}, Z. Stuchl\'ik

arxiv:1309.6879 v1 · 2013-09-26 · 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{7YDUL5O7NSUIEDZVC5BOFAH5UI}

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	2026-05-18T03:12:09.879177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe0745f5df6ca8820f351742e280fda235907379f15db8a8bd463159b5652eb8

Aliases

arxiv: 1309.6879 · arxiv_version: 1309.6879v1 · doi: 10.48550/arxiv.1309.6879 · pith_short_12: 7YDUL5O7NSUI · pith_short_16: 7YDUL5O7NSUIEDZV · pith_short_8: 7YDUL5O7

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/7YDUL5O7NSUIEDZVC5BOFAH5UI \
  | 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: fe0745f5df6ca8820f351742e280fda235907379f15db8a8bd463159b5652eb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d87cb8a7917fe76bfa58bafc785233e512bb8fc2e73df3d6a2a5a718074e74ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-09-26T13:00:52Z",
    "title_canon_sha256": "0db31425a7d71b4a1903f0576b5c5e79592a889a358136e9d7e1a01f7a9d2816"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6879",
    "kind": "arxiv",
    "version": 1
  }
}