Pith Number

pith:BO5MYSJ4

pith:2010:BO5MYSJ4VXGTENU4FLDITRI3HA

not attested not anchored not stored refs pending

An Extremely Carbon-rich, Extremely Metal-poor Star in the Segue 1 System

Anna Frebel, David Yong, Gerard Gilmore, John E. Norris, Rosemary F. G. Wyse

arxiv:1008.0450 v1 · 2010-08-03 · 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{BO5MYSJ4VXGTENU4FLDITRI3HA}

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	2026-05-18T02:06:00.105978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bbacc493cadcd32369c2ac689c51b38196b4eea4118cb0cf3192c04cfe36897

Aliases

arxiv: 1008.0450 · arxiv_version: 1008.0450v1 · doi: 10.48550/arxiv.1008.0450 · pith_short_12: BO5MYSJ4VXGT · pith_short_16: BO5MYSJ4VXGTENU4 · pith_short_8: BO5MYSJ4

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/BO5MYSJ4VXGTENU4FLDITRI3HA \
  | 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: 0bbacc493cadcd32369c2ac689c51b38196b4eea4118cb0cf3192c04cfe36897

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7a47dff77d04ff9805e2a578c9f2f5667981e48cdeceef5a9192ed8eec9c831",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-08-03T03:43:15Z",
    "title_canon_sha256": "04c2ca58104f1bfe13e12c0a2ee3e4fa7dcc7ea99915fa498c0dcb0b1a6d9a4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.0450",
    "kind": "arxiv",
    "version": 1
  }
}