Pith Number

pith:6MW4I365

pith:2012:6MW4I365AMV2ZRIGIN3SOJJZ44

not attested not anchored not stored refs pending

Formation and Evolution of Early-Type Galaxies. III Star formation history as a function of mass and over-density

Cesare Chiosi, Emiliano Merlin, Francesco La Barbera, Lorenzo Piovan, Tommaso Grassi, Umberto Buonomo

arxiv:1204.5118 v2 · 2012-04-23 · 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{6MW4I365AMV2ZRIGIN3SOJJZ44}

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	2026-05-18T01:57:47.238598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f32dc46fdd032bacc5064377272539e701ad7dfd4a57be81e0b56e42c2eb544e

Aliases

arxiv: 1204.5118 · arxiv_version: 1204.5118v2 · doi: 10.48550/arxiv.1204.5118 · pith_short_12: 6MW4I365AMV2 · pith_short_16: 6MW4I365AMV2ZRIG · pith_short_8: 6MW4I365

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/6MW4I365AMV2ZRIGIN3SOJJZ44 \
  | 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: f32dc46fdd032bacc5064377272539e701ad7dfd4a57be81e0b56e42c2eb544e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e31804427cc226946027772ff169853509e7f15194e500172d4282c0925bf1bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-04-23T17:21:06Z",
    "title_canon_sha256": "6bf14e8da5ae994514fce163cc22bfa3d94fc91c0c910d93425887e6b6566dc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5118",
    "kind": "arxiv",
    "version": 2
  }
}