Pith Number

pith:MEAB22GO

pith:2013:MEAB22GOUIO3GYHYXN5EHCNW2H

not attested not anchored not stored refs pending

Harrison metrics for the Schwarzschild black hole

Fang-Fang Yuan, Yong-Chang Huang

arxiv:1301.6548 v1 · 2013-01-28 · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MEAB22GOUIO3GYHYXN5EHCNW2H}

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	2026-05-18T01:51:57.908042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61001d68cea21db360f8bb7a4389b6d1e32337521e3796aecd72732534d8ddd8

Aliases

arxiv: 1301.6548 · arxiv_version: 1301.6548v1 · doi: 10.48550/arxiv.1301.6548 · pith_short_12: MEAB22GOUIO3 · pith_short_16: MEAB22GOUIO3GYHY · pith_short_8: MEAB22GO

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/MEAB22GOUIO3GYHYXN5EHCNW2H \
  | 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: 61001d68cea21db360f8bb7a4389b6d1e32337521e3796aecd72732534d8ddd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fe58b84f1c5dd4f2796a0c44f766244d623b471d61170cf46be67305e913e0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-01-28T14:05:44Z",
    "title_canon_sha256": "8caf5f35ac4825bfec976a46590bb69ea7b23248afea70cb8f5d7921c7b5d2cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6548",
    "kind": "arxiv",
    "version": 1
  }
}