Pith Number

pith:JGOGA5KA

pith:2013:JGOGA5KA3BJ724VPTRZJBFIC24

not attested not anchored not stored refs pending

The Exceptional Soft X-ray Halo of the Galaxy Merger NGC 6240

Andreas Zezas, Emanuele Nardini, Giuseppina Fabbiano, Guido Risaliti, Junfeng Wang, Margarita Karovska, Martin Elvis, Silvia Pellegrini

arxiv:1301.5907 v1 · 2013-01-24 · 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{JGOGA5KA3BJ724VPTRZJBFIC24}

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	2026-05-18T01:51:58.765659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

499c607540d853fd72af9c72909502d737b690eef244345661d7ae380abfd5f4

Aliases

arxiv: 1301.5907 · arxiv_version: 1301.5907v1 · doi: 10.48550/arxiv.1301.5907 · pith_short_12: JGOGA5KA3BJ7 · pith_short_16: JGOGA5KA3BJ724VP · pith_short_8: JGOGA5KA

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/JGOGA5KA3BJ724VPTRZJBFIC24 \
  | 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: 499c607540d853fd72af9c72909502d737b690eef244345661d7ae380abfd5f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39c7ac7624b1aa8cb233fdf41876705facb7a0f4ccd1ad0586e9676562b62f1c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-24T21:00:21Z",
    "title_canon_sha256": "2ba4a9d756f061cd40383e7da9750722c49bd262dadf5c95addd7a880d00d34e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5907",
    "kind": "arxiv",
    "version": 1
  }
}