Pith Number

pith:SCUJ2SP3

pith:2018:SCUJ2SP3FKDVPTAFNXMACPTBEY

not attested not anchored not stored refs pending

Resolving the nuclear obscuring disk in the Compton-thick Seyfert galaxy NGC5643 with ALMA

A. Alonso-Herrero, A. Bunker, A. Hern\'an-Caballero, A. Labiano, C. Packham, C. Ramos Almeida, C. Ricci, D. Asmus, D. Rigopoulou, D. Rosario, E. Hicks, E. Sani, F. Combes, M. J. Ward, M. Pereira-Santaella, N. A. Levenson, O. Gonz\'alez-Mart\'in, P. Gandhi, R. I. Davies, S. Garc\'ia-Burillo, S. H\"onig, T. D\'iaz-Santos

arxiv:1804.04842 v2 · 2018-04-13 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SCUJ2SP3FKDVPTAFNXMACPTBEY}

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	2026-05-18T00:13:26.341452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90a89d49fb2a8757cc056dd8013e61260a113ff12da120e6ea91dba708226ed7

Aliases

arxiv: 1804.04842 · arxiv_version: 1804.04842v2 · doi: 10.48550/arxiv.1804.04842 · pith_short_12: SCUJ2SP3FKDV · pith_short_16: SCUJ2SP3FKDVPTAF · pith_short_8: SCUJ2SP3

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/SCUJ2SP3FKDVPTAFNXMACPTBEY \
  | 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: 90a89d49fb2a8757cc056dd8013e61260a113ff12da120e6ea91dba708226ed7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8e2093e111e9c0a24952dba312c69588fe3b2c16b332562b5e3d1e7b0f32993",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-13T08:57:20Z",
    "title_canon_sha256": "7115b4a61068794ffb12e53889fb241786c36abe889c930a2ad4a2586a92ae10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04842",
    "kind": "arxiv",
    "version": 2
  }
}