Pith Number

pith:JK2S2Z6R

pith:2003:JK2S2Z6RFTN7QVRMCBY33V3TWB

not attested not anchored not stored refs pending

The dwarf Low Surface Brightness galaxy population of the Virgo Cluster I. The faint-end-slope of the Luminosity Function

J. Davies, M. Baes, R. Scaramella, R. Smith, S.M. Linder, S. Roberts, S. Sabatini, V. Testa

arxiv:astro-ph/0301585 v2 · 2003-01-29 · 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{JK2S2Z6RFTN7QVRMCBY33V3TWB}

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	2026-07-04T16:36:24.443216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ab52d67d12cdbf8562c1071bdd773b064b86ff694418b298ffb5b1c6bbb81b5

Aliases

arxiv: astro-ph/0301585 · arxiv_version: astro-ph/0301585v2 · doi: 10.48550/arxiv.astro-ph/0301585 · pith_short_12: JK2S2Z6RFTN7 · pith_short_16: JK2S2Z6RFTN7QVRM · pith_short_8: JK2S2Z6R

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/JK2S2Z6RFTN7QVRMCBY33V3TWB \
  | 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: 4ab52d67d12cdbf8562c1071bdd773b064b86ff694418b298ffb5b1c6bbb81b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2bf3eb010a8619490cd0d87df72cb97a4c89dc3599763ff79acd6706e0d6fd5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-01-29T18:21:00Z",
    "title_canon_sha256": "56234263848df0ec5c3a73fdc39972fc4f3a62a0c8822ad4dd1082c5d0e71c0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0301585",
    "kind": "arxiv",
    "version": 2
  }
}