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Pith Number

pith:WIP2R5NA

pith:2019:WIP2R5NABR4PB2KJWCBSAJUE2F
not attested not anchored not stored refs pending

Massive spin zero fields in cosmology and the tail-free property

Valerio Faraoni (Bishop's University)

arxiv:1901.00556 v1 · 2019-01-02 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WIP2R5NABR4PB2KJWCBSAJUE2F}

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 2026-05-17T23:57:02.157965Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b21fa8f5a00c78f0e949b083202684d142dcbf28b1707482add34ea42ddf69fd

Aliases

arxiv: 1901.00556 · arxiv_version: 1901.00556v1 · doi: 10.48550/arxiv.1901.00556 · pith_short_12: WIP2R5NABR4P · pith_short_16: WIP2R5NABR4PB2KJ · pith_short_8: WIP2R5NA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WIP2R5NABR4PB2KJWCBSAJUE2F \
  | 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: b21fa8f5a00c78f0e949b083202684d142dcbf28b1707482add34ea42ddf69fd
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "cb58ca4c643a02b671c05e5665bea135215bb68dbbc0d85cac49265491a29bce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-01-02T23:57:51Z",
    "title_canon_sha256": "55b757af49a163a3a2bd246e89bcdac93d2c18067f28b91b320a5ee946c9d724"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00556",
    "kind": "arxiv",
    "version": 1
  }
}