Pith Number

pith:JNWLJ5UC

pith:2009:JNWLJ5UC6IKL2QOKTN45ZCMEWZ

not attested not anchored not stored refs pending

Emission line gas ionisation in young radio galaxies

(2) Univ. of Sheffield, (3) Astron, 4)((1) Leiden Obs., (4) Kapteyn Institute, C. N. Tadhunter (2), Groningen), J. Holt (1), R. Morganti (3

arxiv:0912.0665 v1 · 2009-12-03 · 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{JNWLJ5UC6IKL2QOKTN45ZCMEWZ}

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	2026-05-18T04:37:33.325263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b6cb4f682f214bd41ca9b79dc8984b64604ddf1afe24caf2a101e05687c92a0

Aliases

arxiv: 0912.0665 · arxiv_version: 0912.0665v1 · doi: 10.48550/arxiv.0912.0665 · pith_short_12: JNWLJ5UC6IKL · pith_short_16: JNWLJ5UC6IKL2QOK · pith_short_8: JNWLJ5UC

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/JNWLJ5UC6IKL2QOKTN45ZCMEWZ \
  | 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: 4b6cb4f682f214bd41ca9b79dc8984b64604ddf1afe24caf2a101e05687c92a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c004a1bfe55c419f0114cd8bcdee52ddf00e33d2054196642b5981a972a89994",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-03T14:18:54Z",
    "title_canon_sha256": "417d920a7a61dd466ace41dc844015d3089f840d92e24fbbd32405decc9f6c42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0665",
    "kind": "arxiv",
    "version": 1
  }
}