Pith Number

pith:UTCJQSY5

pith:2009:UTCJQSY5LBFC43XSD6TL6CZZUQ

not attested not anchored not stored refs pending

The extended ionized gas around the z=2.44 radio galaxy MRC 0406-244: the nature of the superbubbles and the optical line brightness asymmetries

A. Humphrey, E.C. Sung, F. Iwamuro, L. Binette, M. Villar-Martin

arxiv:0907.2436 v1 · 2009-07-14 · 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{UTCJQSY5LBFC43XSD6TL6CZZUQ}

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	2026-05-18T02:13:03.080699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4c4984b1d584a2e6ef21fa6bf0b39a43145e5f1bfb042b31aaf5d27556cc4d5

Aliases

arxiv: 0907.2436 · arxiv_version: 0907.2436v1 · doi: 10.48550/arxiv.0907.2436 · pith_short_12: UTCJQSY5LBFC · pith_short_16: UTCJQSY5LBFC43XS · pith_short_8: UTCJQSY5

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/UTCJQSY5LBFC43XSD6TL6CZZUQ \
  | 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: a4c4984b1d584a2e6ef21fa6bf0b39a43145e5f1bfb042b31aaf5d27556cc4d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c51bb38d0085ad46ed64a61db4b6d6d0aa8a8bb1ab310e2c0d0917857943ec83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-14T19:52:32Z",
    "title_canon_sha256": "707e1f8af0e4fa315e279854f9dfdfb3007a8f58ae2d58dcf3ec78dc4bffb00a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2436",
    "kind": "arxiv",
    "version": 1
  }
}