Pith Number

pith:3Q4KU5KX

pith:2008:3Q4KU5KXAFV6WAIKRZHZB7EP5Y

not attested not anchored not stored refs pending

GALEX Observations of Diffuse UV Radiation at High Spatial Resolution from the Sandage Nebulosity

Abhay Karnataki (1), Astronomy, Baltimore), Bangalore, India (2) Dept. of Physics, Jayant Murthy (1), Koramangala, Luciana Bianchi (2) ((1) Indian Institute of Astrophysics, N. V. Sujatha (1), Richard Conn Henry (2), The Johns Hopkins University

arxiv:0807.0189 v2 · 2008-07-01 · 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{3Q4KU5KXAFV6WAIKRZHZB7EP5Y}

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	2026-05-18T04:29:33.353634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc38aa7557016beb010a8e4f90fc8fee25caaf976d89f410b436009908eca43a

Aliases

arxiv: 0807.0189 · arxiv_version: 0807.0189v2 · doi: 10.48550/arxiv.0807.0189 · pith_short_12: 3Q4KU5KXAFV6 · pith_short_16: 3Q4KU5KXAFV6WAIK · pith_short_8: 3Q4KU5KX

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/3Q4KU5KXAFV6WAIKRZHZB7EP5Y \
  | 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: dc38aa7557016beb010a8e4f90fc8fee25caaf976d89f410b436009908eca43a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f41af4fb7341b718033aa5bad236d43cbd99552d706363978f912155a89ad758",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-07-01T16:08:27Z",
    "title_canon_sha256": "76ce34650e0ab41ee859e78f9fbcd66d0bd7c62d20607cdfc181d3585b06a13b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.0189",
    "kind": "arxiv",
    "version": 2
  }
}