Pith Number

pith:GZDSPE2X

pith:2011:GZDSPE2XDSL7BAV2POZUL3Z62H

not attested not anchored not stored refs pending

A Deep Chandra ACIS Study of NGC 4151. I. the X-ray Morphology of the 3 kpc-diameter Circum-nuclear Region and Relation to the Cold Interstellar Medium

2), (2) INAF-Arcetri Observatory, 3), (3) University of Crete, (4) Liverpool John Moores University, (5) MPIA), Andreas Zezas (1, Carole G. Mundell (4), Eva Schinnerer (5) ((1) Harvard-Smithsonian CfA, Gaelle Dumas (5), Giuseppina Fabbiano (1), Guido Risaliti (1, Junfeng Wang (1), Margarita Karovska (1), Martin Elvis (1)

arxiv:1102.2661 v1 · 2011-02-14 · astro-ph.CO · astro-ph.GA · astro-ph.HE

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

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	2026-05-18T02:03:11.540256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36472793571c97f082ba7bb345ef3ed1c007246e716629c61f6910b9d3aec251

Aliases

arxiv: 1102.2661 · arxiv_version: 1102.2661v1 · doi: 10.48550/arxiv.1102.2661 · pith_short_12: GZDSPE2XDSL7 · pith_short_16: GZDSPE2XDSL7BAV2 · pith_short_8: GZDSPE2X

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/GZDSPE2XDSL7BAV2POZUL3Z62H \
  | 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: 36472793571c97f082ba7bb345ef3ed1c007246e716629c61f6910b9d3aec251

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b141d6aafe8e2da922fbf6158364a28bf5358c388fa4249e01d16170c34a23f",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-14T01:33:07Z",
    "title_canon_sha256": "f73af7c393fcc20e59140c47599ad7c495a2fbb0b8a4b725b7e8ce46746df07e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2661",
    "kind": "arxiv",
    "version": 1
  }
}