Pith Number

pith:UCUGFUWJ

pith:2009:UCUGFUWJP7WMO6EJZWRI4YANMT

not attested not anchored not stored refs pending

Radial Distribution of Near-UV Flux in Disc Galaxies in the range 0<z<1

I. Trujillo, J. E. Beckman, R. Azzollini

arxiv:0903.4140 v1 · 2009-03-24 · 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{UCUGFUWJP7WMO6EJZWRI4YANMT}

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	2026-05-18T02:14:26.196691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0a862d2c97fecc77889cda28e600d64cd1cc0ddbfa37d92d6a7bb073831a168

Aliases

arxiv: 0903.4140 · arxiv_version: 0903.4140v1 · doi: 10.48550/arxiv.0903.4140 · pith_short_12: UCUGFUWJP7WM · pith_short_16: UCUGFUWJP7WMO6EJ · pith_short_8: UCUGFUWJ

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/UCUGFUWJP7WMO6EJZWRI4YANMT \
  | 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: a0a862d2c97fecc77889cda28e600d64cd1cc0ddbfa37d92d6a7bb073831a168

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "132d671f910e419af011f07531dd64525bf87deaa51ec9d1ae86e415dc87bcab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-03-24T17:13:32Z",
    "title_canon_sha256": "6f2e25af26287770416040b8400ab8d2569e596c7ba489587446f33e491d4ee5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4140",
    "kind": "arxiv",
    "version": 1
  }
}