Pith Number

pith:EQPNWW5H

pith:2013:EQPNWW5HYUJM4O2HQT4FVWCDQO

not attested not anchored not stored refs pending

Modelling the X-ray polarimetric signatures of complex geometry: the case study of the "changing look" AGN NGC 1365

Delphine Porquet, Fabio Muleri, Frederic Marin, Michal Dovciak, Nicolas Grosso, Rene W. Goosmann, Vladimir Karas

arxiv:1309.1691 v1 · 2013-09-06 · astro-ph.HE · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EQPNWW5HYUJM4O2HQT4FVWCDQO}

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	2026-05-18T03:13:58.863900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

241edb5ba7c512ce3b4784f85ad843839eec6cbb9af2aecfea3437228b16d79a

Aliases

arxiv: 1309.1691 · arxiv_version: 1309.1691v1 · doi: 10.48550/arxiv.1309.1691 · pith_short_12: EQPNWW5HYUJM · pith_short_16: EQPNWW5HYUJM4O2H · pith_short_8: EQPNWW5H

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/EQPNWW5HYUJM4O2HQT4FVWCDQO \
  | 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: 241edb5ba7c512ce3b4784f85ad843839eec6cbb9af2aecfea3437228b16d79a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aef537395926b0a472970d080035b8c49bb490d3ca1d6b497cf50a5cdfae83ed",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-09-06T16:19:27Z",
    "title_canon_sha256": "d0695e10ede59fe3ff8efd2fb6c681efcb5545af10ae815be8669cbf5d2f5395"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1691",
    "kind": "arxiv",
    "version": 1
  }
}