Pith Number

pith:QWPIOKFJ

pith:2008:QWPIOKFJLP3UX2I53KFEA475IT

not attested not anchored not stored refs pending

GALEX observations of Low Surface Brightness Galaxies: UV color and star formation efficiency

A. Boselli, A. Gil de Paz, B. Madore, C. Balkowski, C. Carignan, L. Chemin, P. Amram, S. Boissier, V. Buat, W. van Driel

arxiv:0803.3877 v1 · 2008-03-27 · 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{QWPIOKFJLP3UX2I53KFEA475IT}

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	2026-07-04T17:09:59.403327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

859e8728a95bf74be91dda8a4073fd44cf533b8b772cec288ef1946b1cbb43b0

Aliases

arxiv: 0803.3877 · arxiv_version: 0803.3877v1 · doi: 10.48550/arxiv.0803.3877 · pith_short_12: QWPIOKFJLP3U · pith_short_16: QWPIOKFJLP3UX2I5 · pith_short_8: QWPIOKFJ

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/QWPIOKFJLP3UX2I53KFEA475IT \
  | 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: 859e8728a95bf74be91dda8a4073fd44cf533b8b772cec288ef1946b1cbb43b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c0308998f6d94f08552e6e680e0090a7cf54c7d625b2280a064722ebdb0d70a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-03-27T09:45:04Z",
    "title_canon_sha256": "8606740bb923390d457297bf92aa6fffb24919acdab2ea08146abc0977a52b4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.3877",
    "kind": "arxiv",
    "version": 1
  }
}