Pith Number

pith:IJTHVN2Y

pith:2012:IJTHVN2YXYNRCWTCXRCHQANFS6

not attested not anchored not stored refs pending

The Stellar Halos of Massive Elliptical Galaxies

Jenny E. Greene (Princeton, Jeremy D. Murphy (UT Austin), Joshua J. Adams (Carnegie Observatories, Julia M. Comerford (UT Austin), Karl Gebhardt (UT Austin), UT Austin)

arxiv:1202.4464 v1 · 2012-02-20 · 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{IJTHVN2YXYNRCWTCXRCHQANFS6}

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	2026-05-18T01:58:23.249758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42667ab758be1b115a62bc447801a597b8e47bf390cc34d283c038f2eeba5890

Aliases

arxiv: 1202.4464 · arxiv_version: 1202.4464v1 · doi: 10.48550/arxiv.1202.4464 · pith_short_12: IJTHVN2YXYNR · pith_short_16: IJTHVN2YXYNRCWTC · pith_short_8: IJTHVN2Y

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/IJTHVN2YXYNRCWTCXRCHQANFS6 \
  | 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: 42667ab758be1b115a62bc447801a597b8e47bf390cc34d283c038f2eeba5890

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a0e9f3e077e14b142243d9ef015ec52e84c405fda517dfdb051008fed3728f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-20T21:04:09Z",
    "title_canon_sha256": "d333c3639d3ed9baa782f9fbaba998c9ae3b0ae3d433a1003a6a7c0a60cca78a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4464",
    "kind": "arxiv",
    "version": 1
  }
}