Pith Number

pith:D6H64LFX

pith:1999:D6H64LFXQPTXWYSUF3NBC2R4PZ

not attested not anchored not stored refs pending

Back Reaction of Gravitational Radiation on the Schwarzschild Black Hole

(2) University of Bologna, Brown University, F. Finelli (2) ((1) University of Florida, Istituto Te.S.R.E.), L. R. Abramo (1), University of Munich

arxiv:gr-qc/9907102 v2 · 1999-07-29 · 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{D6H64LFXQPTXWYSUF3NBC2R4PZ}

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	2026-05-18T01:39:17.857501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f8fee2cb783e77b62542eda116a3c7e7e38d67b83a9756dbd387ec6f37f4ac9

Aliases

arxiv: gr-qc/9907102 · arxiv_version: gr-qc/9907102v2 · doi: 10.48550/arxiv.gr-qc/9907102 · pith_short_12: D6H64LFXQPTX · pith_short_16: D6H64LFXQPTXWYSU · pith_short_8: D6H64LFX

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/D6H64LFXQPTXWYSUF3NBC2R4PZ \
  | 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: 1f8fee2cb783e77b62542eda116a3c7e7e38d67b83a9756dbd387ec6f37f4ac9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52c84eef8c24560eb655076382513898318fddb6441cf627fb70c51f68d1bec6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-07-29T14:31:56Z",
    "title_canon_sha256": "c16fcdac8b75d9d5f90345e92dcb30aefac7302245e91b69c02fc4da260d9fe4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9907102",
    "kind": "arxiv",
    "version": 2
  }
}