Pith Number

pith:EVAP4ZJO

pith:2013:EVAP4ZJOTGIMYZK4RYXJL4OKZF

not attested not anchored not stored refs pending

The age structure of stellar populations in the solar vicinity. Clues of a two-phase formation history of the Milky Way disk

A. Gomez, D. Katz, M. Haywood, M. Lehnert, P. Di Matteo

arxiv:1305.4663 v2 · 2013-05-20 · 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{EVAP4ZJOTGIMYZK4RYXJL4OKZF}

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	2026-05-18T01:49:48.553379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2540fe652e9990cc655c8e2e95f1cac97dd65f716a5c1e604bb300bb9dcbe3ff

Aliases

arxiv: 1305.4663 · arxiv_version: 1305.4663v2 · doi: 10.48550/arxiv.1305.4663 · pith_short_12: EVAP4ZJOTGIM · pith_short_16: EVAP4ZJOTGIMYZK4 · pith_short_8: EVAP4ZJO

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/EVAP4ZJOTGIMYZK4RYXJL4OKZF \
  | 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: 2540fe652e9990cc655c8e2e95f1cac97dd65f716a5c1e604bb300bb9dcbe3ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f8bbc10e35216268cc39bca802a8ca295253a134034d5f3b9ef3a07d7b75189",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-05-20T21:20:54Z",
    "title_canon_sha256": "2fc67e086f26f2590d96bc55ae046882eb4c1cf3adfeaf38b27a58b922eb476a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4663",
    "kind": "arxiv",
    "version": 2
  }
}