Pith Number

pith:4VRLQOXI

pith:2001:4VRLQOXI3SVNNYPA6D7O74M4ZM

not attested not anchored not stored refs pending

On uniqueness of static Einstein-Maxwell-dilaton black holes

Marc Mars, Walter Simon

arxiv:gr-qc/0105023 v2 · 2001-05-07 · 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{4VRLQOXI3SVNNYPA6D7O74M4ZM}

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	2026-05-18T03:14:30.753168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e562b83ae8dcaad6e1e0f0feeff19ccb2ed1c7a2e296823ca6cd12458ae4cfd4

Aliases

arxiv: gr-qc/0105023 · arxiv_version: gr-qc/0105023v2 · doi: 10.48550/arxiv.gr-qc/0105023 · pith_short_12: 4VRLQOXI3SVN · pith_short_16: 4VRLQOXI3SVNNYPA · pith_short_8: 4VRLQOXI

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/4VRLQOXI3SVNNYPA6D7O74M4ZM \
  | 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: e562b83ae8dcaad6e1e0f0feeff19ccb2ed1c7a2e296823ca6cd12458ae4cfd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "534bbcc5eb46c6d67c4125173fadf525c899d2b1c17cfa57d322aa6097f11ecd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-05-07T12:55:39Z",
    "title_canon_sha256": "94502d72ed5c95a80a30ef6fc7196d15768d90c4ad8d393ca5917822fdff8e86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0105023",
    "kind": "arxiv",
    "version": 2
  }
}