Pith Number

pith:OBANU7AR

pith:2009:OBANU7ARLN5UFOO3VASFR2VIWA

not attested not anchored not stored refs pending

Galaxy-Induced Transformation of Dark Matter Halos

Arif Babul, Julio F. Navarro, Mario G. Abadi, Mark Fardal, Matthias Steinmetz

arxiv:0902.2477 v1 · 2009-02-14 · 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	2026-05-18T02:14:47.811759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7040da7c115b7b42b9dba82458eaa8b00a87db4634998716d03021c7a67e99b5

Aliases

arxiv: 0902.2477 · arxiv_version: 0902.2477v1 · doi: 10.48550/arxiv.0902.2477 · pith_short_12: OBANU7ARLN5U · pith_short_16: OBANU7ARLN5UFOO3 · pith_short_8: OBANU7AR

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/OBANU7ARLN5UFOO3VASFR2VIWA \
  | 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: 7040da7c115b7b42b9dba82458eaa8b00a87db4634998716d03021c7a67e99b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "412b9a9a4cf5ce2013379134d02bb76c3ec691ca6fcde88e872858bfde4ae7f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-02-14T16:49:04Z",
    "title_canon_sha256": "3fdc82401c41c0476e36725fb2f25858385dd39c56097037faba2b1510873226"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2477",
    "kind": "arxiv",
    "version": 1
  }
}