Pith Number

pith:Z7HM3QVB

pith:2014:Z7HM3QVBUFMD2X54H64CMBDXOH

not attested not anchored not stored refs pending

Three Ancient Halo Subgiants: Precise Parallaxes, Compositions, Ages, and Implications for Globular Clusters

Dianne Harmer, Don A. VandenBerg, Edmund P. Nelan, Gail H. Schaefer, Howard E. Bond, P. E. Nissen

arxiv:1407.7591 v1 · 2014-07-28 · 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{Z7HM3QVBUFMD2X54H64CMBDXOH}

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	2026-05-18T01:42:29.035695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfcecdc2a1a1583d5fbc3fb826047771cd6991715770b581a1df928177208082

Aliases

arxiv: 1407.7591 · arxiv_version: 1407.7591v1 · doi: 10.48550/arxiv.1407.7591 · pith_short_12: Z7HM3QVBUFMD · pith_short_16: Z7HM3QVBUFMD2X54 · pith_short_8: Z7HM3QVB

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/Z7HM3QVBUFMD2X54H64CMBDXOH \
  | 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: cfcecdc2a1a1583d5fbc3fb826047771cd6991715770b581a1df928177208082

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74d12f0bfbfa19bc676f7d32e6c5981188797905752bd77b4d3e736bde9593cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-07-28T22:43:41Z",
    "title_canon_sha256": "a3bcada0cf43ab3148fd36e6f9ffac02d1e670283d69c1ce20c9525707971a97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7591",
    "kind": "arxiv",
    "version": 1
  }
}