Pith Number

pith:2J72PVDI

pith:1994:2J72PVDIDIF4OW6MSSLEVEF3PO

not attested not anchored not stored refs pending

Static Charged Black Holes in $(2+1)$ Dimensional Dilaton Gravity

K.C.K. Chan, R.B. Mann

arxiv:gr-qc/9404040 v2 · 1994-04-21 · 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{2J72PVDIDIF4OW6MSSLEVEF3PO}

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	2026-05-18T02:37:29.868710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d27fa7d4681a0bc75bcc94964a90bb7baef662ee461759836540af20e482f1fa

Aliases

arxiv: gr-qc/9404040 · arxiv_version: gr-qc/9404040v2 · doi: 10.48550/arxiv.gr-qc/9404040 · pith_short_12: 2J72PVDIDIF4 · pith_short_16: 2J72PVDIDIF4OW6M · pith_short_8: 2J72PVDI

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/2J72PVDIDIF4OW6MSSLEVEF3PO \
  | 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: d27fa7d4681a0bc75bcc94964a90bb7baef662ee461759836540af20e482f1fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5577eba7b1feed73d24c6f842f007b28a0e7295b0261d9fcbc7ea483ec090311",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1994-04-21T21:12:08Z",
    "title_canon_sha256": "e4b0bc90a125edb30ed6321f8dc554074b66b54f8b68bf1f98f653041f22aedc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9404040",
    "kind": "arxiv",
    "version": 2
  }
}