Pith Number

pith:JFJGEDNG

pith:2003:JFJGEDNGEJR3TC4CQELF3ILTUX

not attested not anchored not stored refs pending

Identification of the ionizing source of NGC 2024

(2) European Southern Observatory, 3), (3) Univ. Leuven, (4) Univ. Cincinnati, A. Bik (1), A. de Koter (1), A. Lenorzer (1), Belgium, F. Comer\'on (2), L.B.F.M. Waters (1, L. Kaper (1), M. M. Hanson (4) ((1) Univ. Amsterdam, The Netherlands, USA)

arxiv:astro-ph/0303029 v1 · 2003-03-03 · 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{JFJGEDNGEJR3TC4CQELF3ILTUX}

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	2026-05-18T04:21:41.652362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4952620da62263b98b8281165da173a5ff0d58c9b72f3edb48e70d8e9b571639

Aliases

arxiv: astro-ph/0303029 · arxiv_version: astro-ph/0303029v1 · doi: 10.48550/arxiv.astro-ph/0303029 · pith_short_12: JFJGEDNGEJR3 · pith_short_16: JFJGEDNGEJR3TC4C · pith_short_8: JFJGEDNG

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/JFJGEDNGEJR3TC4CQELF3ILTUX \
  | 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: 4952620da62263b98b8281165da173a5ff0d58c9b72f3edb48e70d8e9b571639

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0edd8a6d41a2ce7a4912203529c1f3afca238047169df916c1c8aa2f867de3a0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-03T11:40:23Z",
    "title_canon_sha256": "9a97691cfdf762d95d35d2be8135cccba61da5c9f8a316439ccfb20ceff388b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303029",
    "kind": "arxiv",
    "version": 1
  }
}