Pith Number

pith:2FPQNRHC

pith:2015:2FPQNRHCL5H5KICWIBSF3L2M2W

not attested not anchored not stored refs pending

Large scale CMB anomalies from thawing cosmic strings

Christophe Ringeval, Daisuke Yamauchi, Francois R. Bouchet, Jun'ichi Yokoyama

arxiv:1510.01916 v2 · 2015-10-07 · astro-ph.CO · gr-qc · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2FPQNRHCL5H5KICWIBSF3L2M2W}

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	2026-05-18T01:19:29.365547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d15f06c4e25f4fd5205640645daf4cd5ad52d6d7d411a620bdf8649dbb482b7f

Aliases

arxiv: 1510.01916 · arxiv_version: 1510.01916v2 · doi: 10.48550/arxiv.1510.01916 · pith_short_12: 2FPQNRHCL5H5 · pith_short_16: 2FPQNRHCL5H5KICW · pith_short_8: 2FPQNRHC

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/2FPQNRHCL5H5KICWIBSF3L2M2W \
  | 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: d15f06c4e25f4fd5205640645daf4cd5ad52d6d7d411a620bdf8649dbb482b7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9caff781f835ec80fc1ed40e1284139edbffbf370e593cc9c7b4df444bc9b8c2",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-10-07T12:25:03Z",
    "title_canon_sha256": "0c391348eff12852b6bef10054df94db87d2844d545374e284cb9c567c5e7df1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.01916",
    "kind": "arxiv",
    "version": 2
  }
}