Pith Number

pith:INXFQFU2

pith:2013:INXFQFU2JDNJ2SGD4OGTLZFJ6N

not attested not anchored not stored refs pending

The dusty torus in the Circinus galaxy: a dense disk and the torus funnel

2), (2) Max-Planck-Institut f\"ur extraterrestrische Physik, (3) Leiden Observatory, (4) Max-Planck-Institut f\"ur Astronomie, (5) DARK cosmology center, (6) Universit\"atssternwarte M\"unchen, Bonn, Copenhagen, Denmark, Garching, Germany, Germany), G. Weigelt (1) ((1) Max-Planck-Institut f\"ur Radioastronomie, Heidelberg, K. Meisenheimer (4), K. R. W. Tristram (1), L. Burtscher (2), Leiden, M. Kishimoto (1), M. Schartmann (6, M\"unchen, S. F. H\"onig (5), The Netherlands, W. Jaffe (3)

arxiv:1312.4534 v1 · 2013-12-16 · 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{INXFQFU2JDNJ2SGD4OGTLZFJ6N}

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	2026-05-18T03:04:23.640983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

436e58169a48da9d48c3e38d35e4a9f356621ed32bda37e04f136c98f4da1e54

Aliases

arxiv: 1312.4534 · arxiv_version: 1312.4534v1 · doi: 10.48550/arxiv.1312.4534 · pith_short_12: INXFQFU2JDNJ · pith_short_16: INXFQFU2JDNJ2SGD · pith_short_8: INXFQFU2

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/INXFQFU2JDNJ2SGD4OGTLZFJ6N \
  | 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: 436e58169a48da9d48c3e38d35e4a9f356621ed32bda37e04f136c98f4da1e54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0cbd7adbea12e9dc6d89750183afc45bbf46555031149bc8f2290c246cfd1b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-12-16T21:00:01Z",
    "title_canon_sha256": "b4798b9a0d819fe69919e9ebf41ea73a42218ae55dadbba5f993dc6c80c86f29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4534",
    "kind": "arxiv",
    "version": 1
  }
}