Pith Number

pith:KSRK5EDN

pith:2013:KSRK5EDNJLU6VVF3XEHIRYBYWC

not attested not anchored not stored refs pending

Star-forming fractions and galaxy evolution with redshift in rich X-ray-selected galaxy clusters

A. Rettura, C. Lidman, J. B. Nantais, M. J. Jee, P. Rosati, R. Demarco, R. Gobat

arxiv:1306.3431 v1 · 2013-06-14 · 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{KSRK5EDNJLU6VVF3XEHIRYBYWC}

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	2026-05-18T01:49:16.881246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54a2ae906d4ae9ead4bbb90e88e038b082f82d14fa2e41644cfadfe0ce75ae77

Aliases

arxiv: 1306.3431 · arxiv_version: 1306.3431v1 · doi: 10.48550/arxiv.1306.3431 · pith_short_12: KSRK5EDNJLU6 · pith_short_16: KSRK5EDNJLU6VVF3 · pith_short_8: KSRK5EDN

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/KSRK5EDNJLU6VVF3XEHIRYBYWC \
  | 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: 54a2ae906d4ae9ead4bbb90e88e038b082f82d14fa2e41644cfadfe0ce75ae77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55ea99cadbb27347f660592eaa09c9009c402eb1e4ed0553209688014a1053e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-06-14T15:37:40Z",
    "title_canon_sha256": "1a44d47af469ce048598264879944ab5ef31970a0f0839d489373b6aec75f02d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3431",
    "kind": "arxiv",
    "version": 1
  }
}