Pith Number

pith:3XML4X5P

pith:2011:3XML4X5PISQGSL56TV6EPPT2EN

not attested not anchored not stored refs pending

Shedding Light on the Galaxy Luminosity Function

Russell Johnston

arxiv:1106.2039 v3 · 2011-06-10 · astro-ph.CO · astro-ph.GA · astro-ph.IM

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.

Cited by

1 paper in Pith

Formalizing Galaxy Population Evolution: Drift and Mergers as Transport Processes on Manifolds

Receipt and verification

First computed	2026-05-18T04:11:51.369299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddd8be5faf44a0692fbe9d7c47be7a2340370f4f4d69f1473b6cf23aec4ec320

Aliases

arxiv: 1106.2039 · arxiv_version: 1106.2039v3 · doi: 10.48550/arxiv.1106.2039 · pith_short_12: 3XML4X5PISQG · pith_short_16: 3XML4X5PISQGSL56 · pith_short_8: 3XML4X5P

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/3XML4X5PISQGSL56TV6EPPT2EN \
  | 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: ddd8be5faf44a0692fbe9d7c47be7a2340370f4f4d69f1473b6cf23aec4ec320

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "106b5b25f24390a6143bd30d700ea2aaebbb52fecc86e747f75d7e39afcb2d46",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-10T12:39:51Z",
    "title_canon_sha256": "6869427e8bd1e48c7d6e8b20e766e3bc90d4236af8ca043b0d8ba307a35cdf33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2039",
    "kind": "arxiv",
    "version": 3
  }
}