Pith Number

pith:YKGTCRAT

pith:2013:YKGTCRATV4U4OU3Z4LQQ3ROORC

not attested not anchored not stored refs pending

The Assembly of Milky Way-like Galaxies Since z~2.5

Arjen van der Wel, Britt Lundgren, Charlie Conroy, Danilo Marchesini, Erica June Nelson, Gabriel Brammer, Hans-Walter Rix, Ivelina Momcheva, Ivo Labbe, Joel Leja, Katherine E. Whitaker, Marijn Franx, Mariska Kriek, Mattia Fumagalli, Natascha Forster Schreiber, Pieter G. van Dokkum, Rosalind E. Skelton, Shannon Patel, Stijn Wuyts

arxiv:1304.2391 v2 · 2013-04-08 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YKGTCRATV4U4OU3Z4LQQ3ROORC}

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	2026-05-18T01:50:41.491996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c28d314413af29c75379e2e10dc5ce88be45aca53ecce0b06b7b09eaf3ab7cca

Aliases

arxiv: 1304.2391 · arxiv_version: 1304.2391v2 · doi: 10.48550/arxiv.1304.2391 · pith_short_12: YKGTCRATV4U4 · pith_short_16: YKGTCRATV4U4OU3Z · pith_short_8: YKGTCRAT

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/YKGTCRATV4U4OU3Z4LQQ3ROORC \
  | 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: c28d314413af29c75379e2e10dc5ce88be45aca53ecce0b06b7b09eaf3ab7cca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16069daa37088d426e07088baa26871bca21efecd5e804c9c229fa531a177f07",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-08T20:00:00Z",
    "title_canon_sha256": "54572dbc4db70caf4020ecfa2a8683de03513f5651d37cd580e372b14d30c804"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2391",
    "kind": "arxiv",
    "version": 2
  }
}