Pith Number

pith:C3M2QPEQ

pith:2013:C3M2QPEQSGEZ34N3GYUWCHPBYO

not attested not anchored not stored refs pending

ALMA follows streaming of dense gas down to 40 pc from the supermassive black hole in NGC1097

Andreas A. Lundgren, Daniel Espada, David S. Meier, Evanthia Hatziminaoglou, Glenn van de Ven, Jean Turner, Kambiz Fathi, Kartik Sheth, Kotaro Kohno, Masatoshi Imanishi, Melanie Krips, Naomasa Nakai, Nuria Pi\~nol-Ferrer, Satoki Matsushita, Sergio Mart\'in, Takuma Izumi, Tommy Wiklind

arxiv:1304.6722 v2 · 2013-04-24 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C3M2QPEQSGEZ34N3GYUWCHPBYO}

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	2026-05-18T01:50:22.290885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16d9a83c9091899df1bb3629611de1c39b35f3bae1507f6b5970419217c23e58

Aliases

arxiv: 1304.6722 · arxiv_version: 1304.6722v2 · doi: 10.48550/arxiv.1304.6722 · pith_short_12: C3M2QPEQSGEZ · pith_short_16: C3M2QPEQSGEZ34N3 · pith_short_8: C3M2QPEQ

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/C3M2QPEQSGEZ34N3GYUWCHPBYO \
  | 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: 16d9a83c9091899df1bb3629611de1c39b35f3bae1507f6b5970419217c23e58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e2d9c09f7e43614c7182706c182df3a555b9e721f04dacfec64bfe55a142a5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-24T20:00:02Z",
    "title_canon_sha256": "c2a563a8b15c16ba09996426344ab6a22709de90d769b09a00e866dcf94e339c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6722",
    "kind": "arxiv",
    "version": 2
  }
}