Pith Number

pith:W47KUBHC

pith:2003:W47KUBHCHCDB35YGV7CF3BZCQO

not attested not anchored not stored refs pending

Nearly 5000 Distant Early-Type Galaxies in COMBO-17: a Red Sequence and its Evolution since z~1

(2) Oxford, (3) Imperial College, (4) AIP, (5) UMass), Andrea Borch (1), Chris Wolf (2), Daniel H. McIntosh (5) ((1) MPIA, Eric F. Bell (1), Hans-Walter Rix (1), Heidelberg, Klaus Meisenheimer (1), London, Lutz Wisotzki (4), Martina Kleinheinrich (1), Potsdam, Simon Dye (3)

arxiv:astro-ph/0303394 v2 · 2003-03-17 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W47KUBHCHCDB35YGV7CF3BZCQO}

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.

Cited by

1 paper in Pith

Strong Progenitor Age Bias in Supernova Cosmology. III. Progenitor Age as the Physical Origin of the Type Ia Supernova Magnitude Steps with Host Properties

Receipt and verification

First computed	2026-07-04T15:29:17.919252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b73eaa04e238861df706afc45d872283a721daac8034a43cd4fcc8cba0706eec

Aliases

arxiv: astro-ph/0303394 · arxiv_version: astro-ph/0303394v2 · doi: 10.48550/arxiv.astro-ph/0303394 · pith_short_12: W47KUBHCHCDB · pith_short_16: W47KUBHCHCDB35YG · pith_short_8: W47KUBHC

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/W47KUBHCHCDB35YGV7CF3BZCQO \
  | 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: b73eaa04e238861df706afc45d872283a721daac8034a43cd4fcc8cba0706eec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ec234b577a1042a4ea8984dfd16e6bae74f11d3c8c0a48ed07ba1fa8486022f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-17T21:04:15Z",
    "title_canon_sha256": "2bfe5dae179a735647cb38ab869e55025897c041be66811a3f2954e5aed1bf75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303394",
    "kind": "arxiv",
    "version": 2
  }
}