Pith Number

pith:FILNLWTZ

pith:2020:FILNLWTZSU6VEMGRQS7POQIEAM

not attested not anchored not stored refs pending

The XXL survey: XLII. Detection and characterization of the galaxy population of distant galaxy clusters in the XXL-N/VIDEO field: A tale of variety

A. Trudeau, B. H\"au{\ss}ler, B. Poggianti, C. Adami, C. Garrel, E. Koulouridis, F. Gastaldello, F. Pacaud, J.P. Le Fevre, J. Willis, K. Umetsu, L. Chiappetti, L. Faccioli, M. Jarvis, M. Pierre, N. Adams, R. A. A. Bowler, S. Ettori, T. Sadibekova

arxiv:2009.04049 v1 · 2020-09-09 · astro-ph.CO · 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{FILNLWTZSU6VEMGRQS7POQIEAM}

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	2026-07-05T01:42:45.357313Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a16d5da79953d5230d184bef74104031d6fa5ac0d729b23dc6f8df2636b6102

Aliases

arxiv: 2009.04049 · arxiv_version: 2009.04049v1 · doi: 10.48550/arxiv.2009.04049 · pith_short_12: FILNLWTZSU6V · pith_short_16: FILNLWTZSU6VEMGR · pith_short_8: FILNLWTZ

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/FILNLWTZSU6VEMGRQS7POQIEAM \
  | 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: 2a16d5da79953d5230d184bef74104031d6fa5ac0d729b23dc6f8df2636b6102

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b66fa2b06c540ded634bbcb2a7c0fd8eff9ba36d1092184111760cc1da66fea8",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-09-09T00:59:09Z",
    "title_canon_sha256": "eda28342d4c31c0d80d470949e8a4281d564c06a9fad3b7b51425e02eee8f4d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.04049",
    "kind": "arxiv",
    "version": 1
  }
}