Pith Number

pith:55SQEEGU

pith:2010:55SQEEGUUVTPOIGWTHVGDUIMTP

not attested not anchored not stored refs pending

Formation and Evolution of Early-Type Galaxies: Spectro-Photometry from Cosmo-Chemo-Dynamical Simulations

Cesare Chiosi, Emiliano Merlin, Lorenzo Piovan, Rosaria Tantalo, Simonetta Chinellato

arxiv:1005.0491 v1 · 2010-05-04 · astro-ph.CO · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{55SQEEGUUVTPOIGWTHVGDUIMTP}

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	2026-05-18T02:07:43.143081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef650210d4a566f720d699ea61d10c9bc18b359828d270627a945c0e9e0491b5

Aliases

arxiv: 1005.0491 · arxiv_version: 1005.0491v1 · doi: 10.48550/arxiv.1005.0491 · pith_short_12: 55SQEEGUUVTP · pith_short_16: 55SQEEGUUVTPOIGW · pith_short_8: 55SQEEGU

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/55SQEEGUUVTPOIGWTHVGDUIMTP \
  | 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: ef650210d4a566f720d699ea61d10c9bc18b359828d270627a945c0e9e0491b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43bd4a42c8e1928643cfbef72de52c1e739ea330a9091c5345d81af673b565f5",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-05-04T11:01:40Z",
    "title_canon_sha256": "5cfe67d16960160c85458fe99a3469dd1bb2278afc8e4b78b7135b1c84965930"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.0491",
    "kind": "arxiv",
    "version": 1
  }
}