Pith Number

pith:XUEBWP6B

pith:2009:XUEBWP6BG4EQXCW5P2ANM3MLID

not attested not anchored not stored refs pending

HI gas in the rejuvenated radio galaxy 4C29.30

2), (2) ATNF, Australia), CSIRO, D.J. Saikia (1, India, Marsfield, Neeraj Gupta (2) ((1) NCRA, Pune, TIFR, Yogesh Chandola (1)

arxiv:0910.4427 v1 · 2009-10-23 · 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{XUEBWP6BG4EQXCW5P2ANM3MLID}

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	2026-05-18T02:11:12.327236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd081b3fc137090b8add7e80d66d8b40d073968f58c68f41abf5379862984997

Aliases

arxiv: 0910.4427 · arxiv_version: 0910.4427v1 · doi: 10.48550/arxiv.0910.4427 · pith_short_12: XUEBWP6BG4EQ · pith_short_16: XUEBWP6BG4EQXCW5 · pith_short_8: XUEBWP6B

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/XUEBWP6BG4EQXCW5P2ANM3MLID \
  | 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: bd081b3fc137090b8add7e80d66d8b40d073968f58c68f41abf5379862984997

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fdae3e336f4dc1f38e46061dfce4c8cad1aed149bdf6c27a503b37fa9e50224",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-23T03:34:21Z",
    "title_canon_sha256": "e0dc3c05e4eb8daba02df1c130c02245eec7520d356fdec719266089b618721e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4427",
    "kind": "arxiv",
    "version": 1
  }
}