Pith Number

pith:SN3QARIQ

pith:2013:SN3QARIQ7H34K3BR5LPZ7U5RYF

not attested not anchored not stored refs pending

Semi-analytical description of clumping factor and CMB free-free distortions from reionization

Carlo Burigana, Tiziana Trombetti

arxiv:1310.6177 v1 · 2013-10-23 · astro-ph.CO

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

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	2026-05-18T01:46:55.756022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9377004510f9f7c56c31eadf9fd3b1c148ce6987a7c536ec7d014396c612e7ed

Aliases

arxiv: 1310.6177 · arxiv_version: 1310.6177v1 · doi: 10.48550/arxiv.1310.6177 · pith_short_12: SN3QARIQ7H34 · pith_short_16: SN3QARIQ7H34K3BR · pith_short_8: SN3QARIQ

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/SN3QARIQ7H34K3BR5LPZ7U5RYF \
  | 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: 9377004510f9f7c56c31eadf9fd3b1c148ce6987a7c536ec7d014396c612e7ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03ed6f5df9e18208d126ac5b28b1cfd0c9290e9c01335dc978055f539c4e4d6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-10-23T10:46:57Z",
    "title_canon_sha256": "6c2e69b4dfdc062b52bac59e5f08f7b9f2a5027b0971035b8cb4a724060c0fd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6177",
    "kind": "arxiv",
    "version": 1
  }
}