Pith Number

pith:MTPTZWRO

pith:1999:MTPTZWROTWFS3GK53X74P3RJQA

not attested not anchored not stored refs pending

ADM mass of the quantum-corrected Schwarzchild black hole

Maja Buric, Voja Radovanovic

arxiv:gr-qc/9907106 v1 · 1999-07-30 · gr-qc · 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{MTPTZWROTWFS3GK53X74P3RJQA}

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	2026-05-18T04:35:25.523595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64df3cda2e9d8b2d995dddffc7ee2980038d5d73a0c21b86b1392b94c341f661

Aliases

arxiv: gr-qc/9907106 · arxiv_version: gr-qc/9907106v1 · doi: 10.48550/arxiv.gr-qc/9907106 · pith_short_12: MTPTZWROTWFS · pith_short_16: MTPTZWROTWFS3GK5 · pith_short_8: MTPTZWRO

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/MTPTZWROTWFS3GK53X74P3RJQA \
  | 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: 64df3cda2e9d8b2d995dddffc7ee2980038d5d73a0c21b86b1392b94c341f661

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e00e6b2f3944ce8ae1149443ef1a6da18a1669425a1035e80ca79b22a1fa412c",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-07-30T15:41:58Z",
    "title_canon_sha256": "b321dd64127d46ebd13590248a50e74a9c4fc224835419548ba1740082e88784"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9907106",
    "kind": "arxiv",
    "version": 1
  }
}