Pith Number

pith:WO4YG4G3

pith:2019:WO4YG4G3WKBBYCB5JU6LG4CLGC

not attested not anchored not stored refs pending

Extended X-ray study of M49: the frontier of the Virgo Cluster

A. Sheardown, C. Jones, E. Churazov, E. Roediger, F. Mernier, L. Lovisari, P. E. J. Nulsen, R. P. Kraft, S. W. Randall, T. J. Maccarone, T. M. Fish, W. R. Forman, Y. Su

arxiv:1904.11899 v2 · 2019-04-26 · 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{WO4YG4G3WKBBYCB5JU6LG4CLGC}

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	2026-05-17T23:43:02.351809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3b98370dbb2821c083d4d3cb3704b30b06ad9607b02eab9d0ba5d69f1657915

Aliases

arxiv: 1904.11899 · arxiv_version: 1904.11899v2 · doi: 10.48550/arxiv.1904.11899 · pith_short_12: WO4YG4G3WKBB · pith_short_16: WO4YG4G3WKBBYCB5 · pith_short_8: WO4YG4G3

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/WO4YG4G3WKBBYCB5JU6LG4CLGC \
  | 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: b3b98370dbb2821c083d4d3cb3704b30b06ad9607b02eab9d0ba5d69f1657915

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45c17066b523f1a57daccc3c3525b911a0e307631a48cde9168d4ba5718ec044",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-26T15:38:46Z",
    "title_canon_sha256": "52f90506370cae8fab49a14c9461e3418209c8b518ac53359fe1f48fe5b97aa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11899",
    "kind": "arxiv",
    "version": 2
  }
}