Pith Number

pith:45LW3G6G

pith:2009:45LW3G6GCBHN7JG7XDHBCSDMAB

not attested not anchored not stored refs pending

An analysis of the composite stellar population in M32

C. Mendes de Oliveira, P. Coelho, R. Cid Fernandes

arxiv:0903.0448 v2 · 2009-03-03 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{45LW3G6GCBHN7JG7XDHBCSDMAB}

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	2026-05-18T02:14:37.678104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7576d9bc6104edfa4dfb8ce11486c0052780d70f5665af6e56c49719d68d744

Aliases

arxiv: 0903.0448 · arxiv_version: 0903.0448v2 · doi: 10.48550/arxiv.0903.0448 · pith_short_12: 45LW3G6GCBHN · pith_short_16: 45LW3G6GCBHN7JG7 · pith_short_8: 45LW3G6G

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/45LW3G6GCBHN7JG7XDHBCSDMAB \
  | 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: e7576d9bc6104edfa4dfb8ce11486c0052780d70f5665af6e56c49719d68d744

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68f03e439363fc42c5ef20bdbf060fadae3483857958a5a73144982b9a85558f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-03-03T15:40:44Z",
    "title_canon_sha256": "20bdefe317172054779d4d9cddb1f9a2d90b0c95a4f2082ee07e078e24274388"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.0448",
    "kind": "arxiv",
    "version": 2
  }
}