Pith Number

pith:CRADKISE

pith:2009:CRADKISEWGAJVAKYCPJNFX4BSX

not attested not anchored not stored refs pending

Formation and Evolution of Dwarf Elliptical Galaxies - II. Spatially resolved star-formation histories

Dolf Michielsen, Mina Koleva, Philippe Prugniel, Sven De Rijcke, Werner W. Zeilinger

arxiv:0903.4393 v1 · 2009-03-25 · 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{CRADKISEWGAJVAKYCPJNFX4BSX}

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	2026-05-18T02:14:25.988169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1440352244b1809a815813d2d2df8195ce9d25a0e836ef5302a1b4a15f9c4680

Aliases

arxiv: 0903.4393 · arxiv_version: 0903.4393v1 · doi: 10.48550/arxiv.0903.4393 · pith_short_12: CRADKISEWGAJ · pith_short_16: CRADKISEWGAJVAKY · pith_short_8: CRADKISE

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/CRADKISEWGAJVAKYCPJNFX4BSX \
  | 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: 1440352244b1809a815813d2d2df8195ce9d25a0e836ef5302a1b4a15f9c4680

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad3a812161dcaf7b8b3aeededb4e2b1c82374c37f7b978764e371858e1f5418f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-03-25T16:44:40Z",
    "title_canon_sha256": "27c33d79fbfd0e9e7e5e378006fd758dff6500a37e9a056ced5d633878ee59a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4393",
    "kind": "arxiv",
    "version": 1
  }
}