Pith Number

pith:2P4YEUHD

pith:2011:2P4YEUHDGCYA2DQDYVRZTSXLEL

not attested not anchored not stored refs pending

Extrinsic Sources of Scatter in the Richness-Mass Relation of Galaxy Clusters

August Evrard, Benjamin Koester, Brian Nord, Eduardo Rozo, Eli Rykoff, Hao-Yi Wu, Risa Wechsler

arxiv:1104.2090 v1 · 2011-04-11 · 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{2P4YEUHDGCYA2DQDYVRZTSXLEL}

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	2026-05-18T02:22:09.832275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3f98250e330b00d0e03c56399caeb22f64de91c4d471ed2bc6fdaa21d2217f3

Aliases

arxiv: 1104.2090 · arxiv_version: 1104.2090v1 · doi: 10.48550/arxiv.1104.2090 · pith_short_12: 2P4YEUHDGCYA · pith_short_16: 2P4YEUHDGCYA2DQD · pith_short_8: 2P4YEUHD

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/2P4YEUHDGCYA2DQDYVRZTSXLEL \
  | 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: d3f98250e330b00d0e03c56399caeb22f64de91c4d471ed2bc6fdaa21d2217f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "085315057013d52f6fdf937cb86006d8d366d015816c7375365c57a16b57f102",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-11T23:43:54Z",
    "title_canon_sha256": "2b543afcb428f32c4244812832022860ba3ee19c5ab2696a892ba8b3d8489e0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2090",
    "kind": "arxiv",
    "version": 1
  }
}