Pith Number

pith:FLQFDV45

pith:2021:FLQFDV45W7QCAFOEXKNYMQWW2R

not attested not anchored not stored refs pending

Spherically symmetric black holes and affine-null metric formulation of Einstein's equations

Alejandro P\'erez, Carlos Kozameh, Emanuel Gallo, Osvaldo M. Moreschi, Thomas M\"adler

arxiv:2107.10120 v1 · 2021-07-21 · gr-qc

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FLQFDV45W7QCAFOEXKNYMQWW2R}

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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

Conformal compactification and affine-null metric formulation of the Einstein equations

Receipt and verification

First computed	2026-07-05T03:23:44.997897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ae051d79db7e02015c4ba9b8642d6d455e3d376fa80e1bec9c54e1380cf7058

Aliases

arxiv: 2107.10120 · arxiv_version: 2107.10120v1 · doi: 10.48550/arxiv.2107.10120 · pith_short_12: FLQFDV45W7QC · pith_short_16: FLQFDV45W7QCAFOE · pith_short_8: FLQFDV45

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/FLQFDV45W7QCAFOEXKNYMQWW2R \
  | 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: 2ae051d79db7e02015c4ba9b8642d6d455e3d376fa80e1bec9c54e1380cf7058

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a4dc8335e82209551d2ab5255f519bb36cc3cd9c73dbb24656e0de0e12d5874",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-07-21T14:46:23Z",
    "title_canon_sha256": "c6fcacff39f195a5782083dcbffda51b0c3995186a9005305668afddc60b6975"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.10120",
    "kind": "arxiv",
    "version": 1
  }
}