Pith Number

pith:2X7A57ZZ

pith:2019:2X7A57ZZHBXQQXQ23K56ZTDLCL

not attested not anchored not stored refs pending

Chemical (in)homogeneity and atomic diffusion in the open cluster M67

A. Dotter, D. Yong, F. Liu, I. Ram\'irez, J. Mel\'endez, M. Asplund, S. Feltzing

arxiv:1902.11008 v2 · 2019-02-28 · 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{2X7A57ZZHBXQQXQ23K56ZTDLCL}

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

In Pursuit of Galactic Archaeology: Astro2020 Science White Paper

Receipt and verification

First computed	2026-05-17T23:41:11.929893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5fe0eff39386f085e1adabbeccc6b12c44bb824835aa32353b28cad0fbfd493

Aliases

arxiv: 1902.11008 · arxiv_version: 1902.11008v2 · doi: 10.48550/arxiv.1902.11008 · pith_short_12: 2X7A57ZZHBXQ · pith_short_16: 2X7A57ZZHBXQQXQ2 · pith_short_8: 2X7A57ZZ

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/2X7A57ZZHBXQQXQ23K56ZTDLCL \
  | 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: d5fe0eff39386f085e1adabbeccc6b12c44bb824835aa32353b28cad0fbfd493

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40ce4d99924e8b67af10902270bcfa23b2eacb6aaed7291b54b71371b91c6500",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-28T10:52:50Z",
    "title_canon_sha256": "ef48f876ff075dd3d928cde767ee02420df09f15f5130f19bcf537637749a5e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.11008",
    "kind": "arxiv",
    "version": 2
  }
}