Pith Number

pith:MRCKXS3J

pith:2012:MRCKXS3JAYQPTZN555VOGK6N5U

not attested not anchored not stored refs pending

Spectroscopy of the Einstein-Maxwell-Dilaton-Axion black hole

Deyou Chen, Haitang Yang

arxiv:1204.4319 v2 · 2012-04-19 · 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{MRCKXS3JAYQPTZN555VOGK6N5U}

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	2026-05-18T01:57:48.833445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6444abcb690620f9e5bdef6ae32bcded0f51b808b710607fb22fcdaef2eb7a98

Aliases

arxiv: 1204.4319 · arxiv_version: 1204.4319v2 · doi: 10.48550/arxiv.1204.4319 · pith_short_12: MRCKXS3JAYQP · pith_short_16: MRCKXS3JAYQPTZN5 · pith_short_8: MRCKXS3J

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/MRCKXS3JAYQPTZN555VOGK6N5U \
  | 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: 6444abcb690620f9e5bdef6ae32bcded0f51b808b710607fb22fcdaef2eb7a98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "085582f4e680bb6aee01399b2084ee09d1062f86543c2610d25802aa52f31744",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-04-19T11:39:18Z",
    "title_canon_sha256": "25e0af7b3e2ad4df54405da7744eaf239b77be1626385a6eb58e677b1acc7575"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4319",
    "kind": "arxiv",
    "version": 2
  }
}