Pith Number

pith:TMWJQSVF

pith:2009:TMWJQSVF4UL7PH7ZRFYYIUDQLX

not attested not anchored not stored refs pending

Born-Infeld black holes coupled to a massive scalar field

Daniela A. Georgieva, Ivan Zh. Stefanov, Michail D. Todorov, Stoytcho S. Yazadjiev

arxiv:0909.0196 v2 · 2009-09-01 · 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{TMWJQSVF4UL7PH7ZRFYYIUDQLX}

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	2026-05-18T02:12:12.118766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b2c984aa5e517f79ff989718450705dfe17175d26676ff65c0b82f4ecbbe1a7

Aliases

arxiv: 0909.0196 · arxiv_version: 0909.0196v2 · doi: 10.48550/arxiv.0909.0196 · pith_short_12: TMWJQSVF4UL7 · pith_short_16: TMWJQSVF4UL7PH7Z · pith_short_8: TMWJQSVF

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/TMWJQSVF4UL7PH7ZRFYYIUDQLX \
  | 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: 9b2c984aa5e517f79ff989718450705dfe17175d26676ff65c0b82f4ecbbe1a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd14778b0e0847eb902a4c080361f39894a0308bfcc1ce21b9ac096c54d2b738",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-09-01T14:55:56Z",
    "title_canon_sha256": "d9087855834778b92a1d965cb2d7c5ebdab807e782ff7183d125f5e51f29f7aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0196",
    "kind": "arxiv",
    "version": 2
  }
}