pith. sign in
Pith Number

pith:FWJQZGIM

pith:2015:FWJQZGIM3IL7F5SLCEPWJVNE3A
not attested not anchored not stored refs pending

Critical metrics of the total scalar curvature functional on 4-manifolds

A. Barros, B. Leandro, E. Ribeiro Jr

arxiv:1505.01644 v1 · 2015-05-07 · math.DG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FWJQZGIM3IL7F5SLCEPWJVNE3A}

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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.
Receipt and verification
First computed 2026-05-18T02:16:40.394079Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2d930c990cda17f2f64b111f64d5a4d827489a5d649581df163e8178873c5ecd

Aliases

arxiv: 1505.01644 · arxiv_version: 1505.01644v1 · doi: 10.48550/arxiv.1505.01644 · pith_short_12: FWJQZGIM3IL7 · pith_short_16: FWJQZGIM3IL7F5SL · pith_short_8: FWJQZGIM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FWJQZGIM3IL7F5SLCEPWJVNE3A \
  | 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: 2d930c990cda17f2f64b111f64d5a4d827489a5d649581df163e8178873c5ecd
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c429f6ae2291e797eda01a54cb6e9f602207bcd59487b5c22505b2c7fc996cbe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-05-07T09:57:19Z",
    "title_canon_sha256": "5a0fff170b0ced5f4a1e1021943bb74d541527731b108753b91686aba1c8e365"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01644",
    "kind": "arxiv",
    "version": 1
  }
}