Pith Number

pith:4ZTS4GLI

pith:2012:4ZTS4GLI4E5NW4MH3FPM3HYJ5O

not attested not anchored not stored refs pending

A Tale of Dwarfs and Giants: Using a z=1.62 Cluster to Understand How the Red Sequence Grew Over The Last 9.5 Billion Years

(2) Texas A&M, (3) Carnegie Observatories, 4), (4) Yale University, (5) Steward Observatory), Casey Papovich (2), Christopher Willmer (5) ((1) University of Kansas, Gregory H. Rudnick (1), Ivelina Momcheva (3, Kim-Vy Tran (2)

arxiv:1203.3541 v2 · 2012-03-15 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4ZTS4GLI4E5NW4MH3FPM3HYJ5O}

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	2026-05-18T01:58:08.271137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6672e1968e13adb7187d95ecd9f09eb9eeb617989d997b1fd38f5f18e892812

Aliases

arxiv: 1203.3541 · arxiv_version: 1203.3541v2 · doi: 10.48550/arxiv.1203.3541 · pith_short_12: 4ZTS4GLI4E5N · pith_short_16: 4ZTS4GLI4E5NW4MH · pith_short_8: 4ZTS4GLI

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/4ZTS4GLI4E5NW4MH3FPM3HYJ5O \
  | 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: e6672e1968e13adb7187d95ecd9f09eb9eeb617989d997b1fd38f5f18e892812

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0996485b2549b1d90fba829ad3e83e7a1fe8a5f310a5899727f79100a9f50f1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-15T20:00:03Z",
    "title_canon_sha256": "90af16739e573299407f0399752727abed135bb30a3643c82f28f50c38649899"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3541",
    "kind": "arxiv",
    "version": 2
  }
}