Pith Number

pith:QC47MEUQ

pith:2006:QC47MEUQIW4UPH3KDZ4TXTR57O

not attested not anchored not stored refs pending

Some analytical models of radiating collapsing spheres

A. Di Prisco, J. Ospino, L. Herrera

arxiv:gr-qc/0609009 v1 · 2006-09-04 · gr-qc · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QC47MEUQIW4UPH3KDZ4TXTR57O}

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.

Cited by

1 paper in Pith

Formation of regular black hole from baryonic matter

Receipt and verification

First computed	2026-07-04T15:25:58.919122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80b9f6129045b9479f6a1e793bce3dfbb8460eab3eb1cd1e305d4bd7d653c8c1

Aliases

arxiv: gr-qc/0609009 · arxiv_version: gr-qc/0609009v1 · doi: 10.48550/arxiv.gr-qc/0609009 · pith_short_12: QC47MEUQIW4U · pith_short_16: QC47MEUQIW4UPH3K · pith_short_8: QC47MEUQ

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/QC47MEUQIW4UPH3KDZ4TXTR57O \
  | 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: 80b9f6129045b9479f6a1e793bce3dfbb8460eab3eb1cd1e305d4bd7d653c8c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "901402d3c4f8decb8bf774ae056d50f994c5777e437f5e695e44faec7e4ee1f8",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2006-09-04T14:08:17Z",
    "title_canon_sha256": "2c014680f6e14d5bea84b08c23caffac39b7c8e0a168f450abe70cb61dd995ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0609009",
    "kind": "arxiv",
    "version": 1
  }
}