Pith Number

pith:BWA323GW

pith:2011:BWA323GWSPRIHAGL7ERK4423PE

not attested not anchored not stored refs pending

Two distinct halo populations in the solar neighborhood. III. Evidence from stellar ages and orbital parameters

(2) Instituto de Astronomia, (3) Department of Physics, Aarhus, Astronomy, Barbara Pichardo (2) ((1) Observatorio Astronomico Nacional, Denmark), D.F., Edmundo Moreno (2), Ensenada, Mexico, Poul E. Nissen (3), Universidad Nacional Autonoma de Mexico, University of Aarhus, William J. Schuster (1)

arxiv:1111.4026 v1 · 2011-11-17 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BWA323GWSPRIHAGL7ERK4423PE}

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

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	2026-05-18T01:59:31.808956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d81bd6cd693e28380cbf922ae735b7927c7218b734606d0b77688263bd92fd5

Aliases

arxiv: 1111.4026 · arxiv_version: 1111.4026v1 · doi: 10.48550/arxiv.1111.4026 · pith_short_12: BWA323GWSPRI · pith_short_16: BWA323GWSPRIHAGL · pith_short_8: BWA323GW

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/BWA323GWSPRIHAGL7ERK4423PE \
  | 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: 0d81bd6cd693e28380cbf922ae735b7927c7218b734606d0b77688263bd92fd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32b6f8d993f4d949f2e644631c9b62266b1eebaa434b97754b65bfaf625fb38f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-11-17T06:59:32Z",
    "title_canon_sha256": "a76aec7700d8fd0d82fd8c3153ea5fe7f0477892118297028ccde8ed101c69cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.4026",
    "kind": "arxiv",
    "version": 1
  }
}