Pith Number

pith:SW6XKQDW

pith:2013:SW6XKQDWTICHYAIHBMH23XZWXI

not attested not anchored not stored refs pending

Galaxy evolution in overdense environments at high redshift: passive early-type galaxies in a cluster at redshift 2

A. Cimatti, A. Finoguenov, A. Renzini, E. Daddi, M. Carollo, M. Dickinson, M. Onodera, N. Arimoto, R. Gobat, R.-R. Chary, V. Strazzullo

arxiv:1305.3577 v1 · 2013-05-15 · 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{SW6XKQDWTICHYAIHBMH23XZWXI}

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	2026-05-18T01:49:56.805502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95bd7540769a047c01070b0faddf36ba01fea16bae05d66ea6d64fa79035e46b

Aliases

arxiv: 1305.3577 · arxiv_version: 1305.3577v1 · doi: 10.48550/arxiv.1305.3577 · pith_short_12: SW6XKQDWTICH · pith_short_16: SW6XKQDWTICHYAIH · pith_short_8: SW6XKQDW

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/SW6XKQDWTICHYAIHBMH23XZWXI \
  | 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: 95bd7540769a047c01070b0faddf36ba01fea16bae05d66ea6d64fa79035e46b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "638608bf6359b0b68c7cb014f84cdf9342fbf852496847f097549f3075c50509",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-05-15T18:24:34Z",
    "title_canon_sha256": "28a705be4a38ae05df06b58d63d92b5a05b480446d7aed9f6f5eaf6a17b66b3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3577",
    "kind": "arxiv",
    "version": 1
  }
}