Pith Number

pith:GA2UXO7R

pith:2011:GA2UXO7R5MIBD4OQIRMFMVT4MP

not attested not anchored not stored refs pending

The CO-H2 Conversion Factor in Disc Galaxies and Mergers

Desika Narayanan (Arizona), Eve C. Ostriker (Maryland), Lars Hernquist (Harvard), Mark Krumholz (UCSC)

arxiv:1104.4118 v3 · 2011-04-20 · 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	2026-05-18T02:02:17.200235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30354bbbf1eb1011f1d0445856567c63dd43aed6cb2308983bb7901493b0fa13

Aliases

arxiv: 1104.4118 · arxiv_version: 1104.4118v3 · doi: 10.48550/arxiv.1104.4118 · pith_short_12: GA2UXO7R5MIB · pith_short_16: GA2UXO7R5MIBD4OQ · pith_short_8: GA2UXO7R

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/GA2UXO7R5MIBD4OQIRMFMVT4MP \
  | 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: 30354bbbf1eb1011f1d0445856567c63dd43aed6cb2308983bb7901493b0fa13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4320e96bf8a2c1e7f319c5b4b62a800e2ae7450f70f9509006c40538b82c2298",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-20T20:00:06Z",
    "title_canon_sha256": "df7e2f36265aa07fe5f8f2983525de351420438bd14e76fd35bb8416f86c6921"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4118",
    "kind": "arxiv",
    "version": 3
  }
}