Pith Number

pith:DAH2WMDW

pith:2012:DAH2WMDWH4AUXZHFVB7L647AXP

not attested not anchored not stored refs pending

Fast evolving size of early-type galaxies at z>2 and the role of dissipationless (dry) merging

A. Cimatti, C. Nipoti, P. Cassata

arxiv:1202.5403 v1 · 2012-02-24 · 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{DAH2WMDWH4AUXZHFVB7L647AXP}

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	2026-05-18T01:58:19.977842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

180fab30763f014be4e5a87ebf73e0bbf854e24a04c0c4cdaf2f7dc130af2f53

Aliases

arxiv: 1202.5403 · arxiv_version: 1202.5403v1 · doi: 10.48550/arxiv.1202.5403 · pith_short_12: DAH2WMDWH4AU · pith_short_16: DAH2WMDWH4AUXZHF · pith_short_8: DAH2WMDW

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/DAH2WMDWH4AUXZHFVB7L647AXP \
  | 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: 180fab30763f014be4e5a87ebf73e0bbf854e24a04c0c4cdaf2f7dc130af2f53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00b09ce1ad28bbc0a282f1c8a51d1a023cd70394753c3685e4b700ac9b8a6c76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-24T09:22:51Z",
    "title_canon_sha256": "11c8f3b00c009588f3a731ff9559a87f10633744c35db5f0c941e773582dcc95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5403",
    "kind": "arxiv",
    "version": 1
  }
}