pith. sign in
Pith Number

pith:EGZPVREY

pith:2014:EGZPVREYRWCJNVL3D5LCV6SLRS
not attested not anchored not stored refs pending

Evidence for a constant IMF in early-type galaxies based on their X-ray binary populations

Anthony H. Gonzalez, Arunav Kundu, Bret D. Lehmer, Claudia Maraston, Mark B. Peacock, Stephen E. Zepf, Thomas J. Maccarone

arxiv:1401.3405 v2 · 2014-01-15 · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EGZPVREYRWCJNVL3D5LCV6SLRS}

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 2026-05-18T01:45:25.434942Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

21b2fac4988d8496d57b1f562afa4b8cabcb9d2b5ed9ea6c3dcbe4428ccb60a7

Aliases

arxiv: 1401.3405 · arxiv_version: 1401.3405v2 · doi: 10.48550/arxiv.1401.3405 · pith_short_12: EGZPVREYRWCJ · pith_short_16: EGZPVREYRWCJNVL3 · pith_short_8: EGZPVREY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EGZPVREYRWCJNVL3D5LCV6SLRS \
  | 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: 21b2fac4988d8496d57b1f562afa4b8cabcb9d2b5ed9ea6c3dcbe4428ccb60a7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3edb420cc9f7be284a6c19c32ec38ebc24bb226f7a4d326a486ec743c2cb34d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-01-15T01:44:11Z",
    "title_canon_sha256": "2d8e26f0c76d8198d9ff94b049db0c88664d7786d261b417009ebe82ac2bb426"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3405",
    "kind": "arxiv",
    "version": 2
  }
}