Pith Number

pith:WPKHQ4LW

pith:2016:WPKHQ4LWNRVAOH5SDUUSYCBSIN

not attested not anchored not stored refs pending

An extreme paucity of second population AGB stars in the normal globular cluster M4

B. T. MacLean, G. M. De Silva, J. D. Simpson, J. Lattanzio, S. W. Campbell, V. DOrazi, Y. Momany

arxiv:1604.05040 v1 · 2016-04-18 · astro-ph.SR · 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{WPKHQ4LWNRVAOH5SDUUSYCBSIN}

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.

Cited by

1 paper in Pith

Multiple populations along the asymptotic giant branch: a Gaia+APOGEE study of 22 Galactic globular clusters

Receipt and verification

First computed	2026-05-18T01:16:12.741499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3d47871766c6a071fb21d292c08324371801e5a321f217636d809f7118fe0a4

Aliases

arxiv: 1604.05040 · arxiv_version: 1604.05040v1 · doi: 10.48550/arxiv.1604.05040 · pith_short_12: WPKHQ4LWNRVA · pith_short_16: WPKHQ4LWNRVAOH5S · pith_short_8: WPKHQ4LW

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/WPKHQ4LWNRVAOH5SDUUSYCBSIN \
  | 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: b3d47871766c6a071fb21d292c08324371801e5a321f217636d809f7118fe0a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7ec7bc75165ed7c8dba36de564d30277e13fda067aed8a043f096b435c9befd",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-04-18T08:49:03Z",
    "title_canon_sha256": "4c86a5fa1ea8a31e33c46fe73918e6937c480b0697dfc1c8ba895203d8f9d3ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05040",
    "kind": "arxiv",
    "version": 1
  }
}