Pith Number

pith:723DPNBC

pith:2009:723DPNBCDHNBCRTTKN5NAZXJ3F

not attested not anchored not stored refs pending

The evolution of cluster dwarfs

Daniel Harsono (Leiden), Roberto De Propris (CTIO)

arxiv:0908.2839 v1 · 2009-08-20 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{723DPNBCDHNBCRTTKN5NAZXJ3F}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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	2026-05-18T02:12:24.897769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feb637b42219da114673537ad066e9d9540deee4fb3052023c6659f5fe73835a

Aliases

arxiv: 0908.2839 · arxiv_version: 0908.2839v1 · doi: 10.48550/arxiv.0908.2839 · pith_short_12: 723DPNBCDHNB · pith_short_16: 723DPNBCDHNBCRTT · pith_short_8: 723DPNBC

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/723DPNBCDHNBCRTTKN5NAZXJ3F \
  | 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: feb637b42219da114673537ad066e9d9540deee4fb3052023c6659f5fe73835a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "406119d8fff6c04512dc0c823fe82b20f8fa23ee515579baa9e87170d79e61fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-20T00:53:15Z",
    "title_canon_sha256": "6da43d566e347f0b13138801cb3c270d8ba263559af043ae140d13e480d1dcd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2839",
    "kind": "arxiv",
    "version": 1
  }
}