Pith Number

pith:WJXR3ZJB

pith:2010:WJXR3ZJBFKP4AMM4IHZ653VXUU

not attested not anchored not stored refs pending

Extreme flux states of NGC 4151 observed with INTEGRAL

2), (2) ISDC, (3) CAMK, 4), 4) ((1) NCAC, (4) University of Geneva, (5) Centre Francois Arago, (6) CNRS-CEA, A. A. Zdziarski (3), APC, C. Ferrigno (2), Geneve, Paris, P. Lubinski (1, R. Walter (2, Saclay), S. Paltani (2, S. Soldi (6), T. J.-L. Courvoisier (2, Torun, V. Beckmann (5), Warszawa

arxiv:1005.0842 v2 · 2010-05-05 · astro-ph.CO

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	2026-05-18T02:07:42.542011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b26f1de5212a9fc0319c41f3eeeeb7a50a2c27427a735c0fc976392393db3b6f

Aliases

arxiv: 1005.0842 · arxiv_version: 1005.0842v2 · doi: 10.48550/arxiv.1005.0842 · pith_short_12: WJXR3ZJBFKP4 · pith_short_16: WJXR3ZJBFKP4AMM4 · pith_short_8: WJXR3ZJB

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/WJXR3ZJBFKP4AMM4IHZ653VXUU \
  | 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: b26f1de5212a9fc0319c41f3eeeeb7a50a2c27427a735c0fc976392393db3b6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c3b22502e113bc8e8eccadbe092e2d8e7f2dd6890b9c68bbc1019912fe0fa7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-05-05T20:00:45Z",
    "title_canon_sha256": "17e5d6077131b0d1fe86d04c94c13288bba32f69ffae078e99b47401b9d50fbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.0842",
    "kind": "arxiv",
    "version": 2
  }
}