Pith Number

pith:BBZZVLPZ

pith:2011:BBZZVLPZIFKLA2QPU2A2JRSDGR

not attested not anchored not stored refs pending

A Deep Chandra ACIS Study of NGC 4151. II. The Innermost Emission Line Region and Strong Evidence for Radio Jet-NLR Cloud Collision

Andreas Zezas, Carole G. Mundell, Giuseppina Fabbiano, Guido Risaliti, Junfeng Wang, Margarita Karovska, Martin Elvis

arxiv:1103.1912 v2 · 2011-03-09 · astro-ph.CO · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BBZZVLPZIFKLA2QPU2A2JRSDGR}

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	2026-05-18T02:02:55.407936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08739aadf94154b06a0fa681a4c6433449f5e0a393b93b566b3c59eb5ce073ba

Aliases

arxiv: 1103.1912 · arxiv_version: 1103.1912v2 · doi: 10.48550/arxiv.1103.1912 · pith_short_12: BBZZVLPZIFKL · pith_short_16: BBZZVLPZIFKLA2QP · pith_short_8: BBZZVLPZ

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/BBZZVLPZIFKLA2QPU2A2JRSDGR \
  | 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: 08739aadf94154b06a0fa681a4c6433449f5e0a393b93b566b3c59eb5ce073ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27b5455b83019ab624723f3f5a4eb335131cc028ed818382aa0b79f601dcf03a",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-03-09T22:45:23Z",
    "title_canon_sha256": "aa432a8622e37d54ce29ba8dd79089e5200ebc44173a204d6b44b51e80a9f00c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1912",
    "kind": "arxiv",
    "version": 2
  }
}