Pith Number

pith:2QHLLSZJ

pith:2015:2QHLLSZJABNFW4M4FE7UUOM7CX

not attested not anchored not stored refs pending

The MASSIVE Survey II: Stellar Population Trends Out to Large Radius in Massive Early Type Galaxies

Chung-Pei Ma, Jenny E. Greene, Jens Thomas, Jeremy D. Murphy, John P. Blakeslee, Nicholas J. McConnell, Ryan Janish

arxiv:1504.02483 v2 · 2015-04-09 · 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{2QHLLSZJABNFW4M4FE7UUOM7CX}

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	2026-05-18T01:46:13.369278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d40eb5cb29005a5b719c293f4a399f15e460180195b057f57f33323d43ea0295

Aliases

arxiv: 1504.02483 · arxiv_version: 1504.02483v2 · doi: 10.48550/arxiv.1504.02483 · pith_short_12: 2QHLLSZJABNF · pith_short_16: 2QHLLSZJABNFW4M4 · pith_short_8: 2QHLLSZJ

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/2QHLLSZJABNFW4M4FE7UUOM7CX \
  | 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: d40eb5cb29005a5b719c293f4a399f15e460180195b057f57f33323d43ea0295

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb365f58a090b885b44b7908eac8071935580f2cfde2cec0de50b44233dc851d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-09T20:01:41Z",
    "title_canon_sha256": "d4315d65c38369ef8329571380006b0e73508548762f35da39060fb4a07155c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02483",
    "kind": "arxiv",
    "version": 2
  }
}