Pith Number

pith:5T4DIMK2

pith:2014:5T4DIMK2M5CS6Y5O4VVHX3HSYE

not attested not anchored not stored refs pending

The ages of stellar populations in a warm dark matter universe

(2) INAF-Osservatorio di Roma, (3) INAF-Osservatorio di Arcetri, 4) ((1) INAF-Osservatorio di Bologna, (4) Dark Cosmology Center, Anna Gallazzi (3, Denmark), Francesco Calura (1), Italy, Nicola Menci (2)

arxiv:1402.4828 v1 · 2014-02-19 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5T4DIMK2M5CS6Y5O4VVHX3HSYE}

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	2026-05-18T01:44:36.053535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecf834315a67452f63aee56a7becf2c13f0a4a40b5f975879d5271593da1cfe1

Aliases

arxiv: 1402.4828 · arxiv_version: 1402.4828v1 · doi: 10.48550/arxiv.1402.4828 · pith_short_12: 5T4DIMK2M5CS · pith_short_16: 5T4DIMK2M5CS6Y5O · pith_short_8: 5T4DIMK2

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/5T4DIMK2M5CS6Y5O4VVHX3HSYE \
  | 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: ecf834315a67452f63aee56a7becf2c13f0a4a40b5f975879d5271593da1cfe1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff775dd5391da3b7652462311c7fc5fc45c100a2f76eca0ea9f57ddc1fbe0ca3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-02-19T21:10:17Z",
    "title_canon_sha256": "82f394fda05c1985b14c8dfada3069dd0197c6eeabf2947920a09f2228ec4a7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4828",
    "kind": "arxiv",
    "version": 1
  }
}