Pith Number

pith:FE7XWXDS

pith:2013:FE7XWXDS3AKLCBUO2QOHCKTQNO

not attested not anchored not stored refs pending

Composition of Low Redshift Halo Gas

Renyue Cen (Princeton University)

arxiv:1304.3466 v1 · 2013-04-11 · 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	2026-05-18T01:50:33.656869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

293f7b5c72d814b1068ed41c712a706b870c046bf64b56e818609ce9256f0a82

Aliases

arxiv: 1304.3466 · arxiv_version: 1304.3466v1 · doi: 10.48550/arxiv.1304.3466 · pith_short_12: FE7XWXDS3AKL · pith_short_16: FE7XWXDS3AKLCBUO · pith_short_8: FE7XWXDS

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/FE7XWXDS3AKLCBUO2QOHCKTQNO \
  | 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: 293f7b5c72d814b1068ed41c712a706b870c046bf64b56e818609ce9256f0a82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ba744929b0e2d6ca0a892171308fe18f955a00b52915e90ee4a786f2eca72fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-11T20:00:42Z",
    "title_canon_sha256": "579bda88fc594e729e0451e9a1bf0b8b91b7124c562348ec80388c1fd95ba226"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3466",
    "kind": "arxiv",
    "version": 1
  }
}