Pith Number

pith:7UARE57R

pith:2009:7UARE57RWS6KBI4ESMCBFFCWM6

not attested not anchored not stored refs pending

The Highest Resolution Chandra View of Photoionization and Jet-Cloud Interaction in the Nuclear Region of NGC 4151

A. Zezas (Harvard-Smithsonian CfA), C. G. Mundell (Liverpool John Moores University, G. Fabbiano, G. Risaliti, Junfeng Wang, M. Elvis, M. Karovska, UK)

arxiv:0909.5444 v1 · 2009-09-29 · astro-ph.GA · 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{7UARE57RWS6KBI4ESMCBFFCWM6}

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	2026-05-18T02:34:20.772949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd011277f1b4bca0a3849304129456678d2f0c30f56926f6deef2512df595ad3

Aliases

arxiv: 0909.5444 · arxiv_version: 0909.5444v1 · doi: 10.48550/arxiv.0909.5444 · pith_short_12: 7UARE57RWS6K · pith_short_16: 7UARE57RWS6KBI4E · pith_short_8: 7UARE57R

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/7UARE57RWS6KBI4ESMCBFFCWM6 \
  | 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: fd011277f1b4bca0a3849304129456678d2f0c30f56926f6deef2512df595ad3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f30f727366d5d10ceefb1b8376ba594dd28c869da7a23e40b1c8b0cb2695aed9",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-09-29T20:43:41Z",
    "title_canon_sha256": "8383a87355dce5053a7194b4244b579105b863aab0baeb217326d28cb01051a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.5444",
    "kind": "arxiv",
    "version": 1
  }
}