Pith Number

pith:XAG6I7NU

pith:2009:XAG6I7NUONFPMTEWE7V4JABGII

not attested not anchored not stored refs pending

Molecular Gas in NUclei of GAlaxies (NUGA): XII. The head-on collision in NGC1961

A. Eckart (Univ Koln), A.J. Baker (Rutgers), E. Schinnerer (MPI-Heidelberg), F. Boone (Obs-Paris), F. Combes (Obs-Paris), L.J. Tacconi (MPE-Garching), L.K. Hunt (Arcetri), R. Neri (IRAM), S. Garcia-Burillo (OAN-Madrid)

arxiv:0906.2493 v1 · 2009-06-13 · 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{XAG6I7NUONFPMTEWE7V4JABGII}

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	2026-05-18T02:13:20.347157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b80de47db4734af64c9627ebc480264211196326aad4a63cced78f5e2f128fdf

Aliases

arxiv: 0906.2493 · arxiv_version: 0906.2493v1 · doi: 10.48550/arxiv.0906.2493 · pith_short_12: XAG6I7NUONFP · pith_short_16: XAG6I7NUONFPMTEW · pith_short_8: XAG6I7NU

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/XAG6I7NUONFPMTEWE7V4JABGII \
  | 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: b80de47db4734af64c9627ebc480264211196326aad4a63cced78f5e2f128fdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ba1cefe20390253ab618f6c2fa7cd5dae4f078b467d6b91ad4d6a93e8591a17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-13T17:58:18Z",
    "title_canon_sha256": "f69e663194b3c4d187f1db990e888c9f25743baf1943166dadea7d19f5eb35ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2493",
    "kind": "arxiv",
    "version": 1
  }
}