Pith Number

pith:B3PTZM27

pith:2014:B3PTZM27PPSVZVFDSAGZ2FGZLB

not attested not anchored not stored refs pending

On the Relative Ages of the $\alpha$-Rich and $\alpha$-Poor Stellar Populations in the Galactic Halo

Gerry Gilmore, Keith Hawkins, Paula Jofre, Thomas Masseron

arxiv:1409.3431 v1 · 2014-09-11 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B3PTZM27PPSVZVFDSAGZ2FGZLB}

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	2026-05-18T01:42:03.395919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0edf3cb35f7be55cd4a3900d9d14d95842538048e75b299137ac6cbe5433c166

Aliases

arxiv: 1409.3431 · arxiv_version: 1409.3431v1 · doi: 10.48550/arxiv.1409.3431 · pith_short_12: B3PTZM27PPSV · pith_short_16: B3PTZM27PPSVZVFD · pith_short_8: B3PTZM27

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/B3PTZM27PPSVZVFDSAGZ2FGZLB \
  | 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: 0edf3cb35f7be55cd4a3900d9d14d95842538048e75b299137ac6cbe5433c166

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ca93559afc4dec006e5ab71f99be12aac1a277f4e9f4ddb449f9d02e7b0325c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-09-11T13:34:31Z",
    "title_canon_sha256": "4a82eaccd82882965631db8def90ad98ad9f89d1d7770f0fe6e5a68c0ddca699"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.3431",
    "kind": "arxiv",
    "version": 1
  }
}