Pith Number

pith:QCGNXII2

pith:2012:QCGNXII2L45ITUUAZIALYK6RQH

not attested not anchored not stored refs pending

Cosmological Implications of a Stellar Initial Mass Function that Varies with the Jeans Mass in Galaxies

Desika Narayanan (Arizona), Romeel Dav\'e (Arizona)

arxiv:1203.1039 v2 · 2012-03-05 · astro-ph.CO · astro-ph.GA

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	2026-05-18T01:58:14.691039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

808cdba11a5f3a89d280ca00bc2bd181efec885d11f5fab2b634ef47d31d916c

Aliases

arxiv: 1203.1039 · arxiv_version: 1203.1039v2 · doi: 10.48550/arxiv.1203.1039 · pith_short_12: QCGNXII2L45I · pith_short_16: QCGNXII2L45ITUUA · pith_short_8: QCGNXII2

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/QCGNXII2L45ITUUAZIALYK6RQH \
  | 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: 808cdba11a5f3a89d280ca00bc2bd181efec885d11f5fab2b634ef47d31d916c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5196594df7e348c95c07992f894d173876a797ce344f6ce2f8d03df4187b5ef",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-05T21:00:07Z",
    "title_canon_sha256": "c96f59aa1bfeed6366c6cd82f3ea700f80a9515536be509185b4c523d94fb0fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1039",
    "kind": "arxiv",
    "version": 2
  }
}