Pith Number

pith:GPAPVGWZ

pith:2014:GPAPVGWZG6KT5I4R4H6VHPUWLC

not attested not anchored not stored refs pending

ALMA reveals the feeding of the Seyfert 1 nucleus in NGC 1566

A. Eckart (Koeln), A.J. Baker (Rutgers), Bologna), E. Schinnerer (MPIA-Heidelberg), F. Boone (Toulouse), F. Combes (LERMA, I. Marquez (IAA-Granada), L.J. Tacconi (MPE-Garching), L. K. Hunt (INAF-Arcetri), M. Krips (IRAM-Grenoble), Obs-Paris), R. Neri (IRAM-Grenoble), S. Garcia-Burillo (Obs-Madrid), V. Casasola (INAF

arxiv:1401.4120 v2 · 2014-01-16 · 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{GPAPVGWZG6KT5I4R4H6VHPUWLC}

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	2026-05-18T02:51:33.602639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33c0fa9ad937953ea391e1fd53be9658bd4391cfe9740c864c7c9db2ea10f642

Aliases

arxiv: 1401.4120 · arxiv_version: 1401.4120v2 · doi: 10.48550/arxiv.1401.4120 · pith_short_12: GPAPVGWZG6KT · pith_short_16: GPAPVGWZG6KT5I4R · pith_short_8: GPAPVGWZ

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/GPAPVGWZG6KT5I4R4H6VHPUWLC \
  | 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: 33c0fa9ad937953ea391e1fd53be9658bd4391cfe9740c864c7c9db2ea10f642

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8249c967226faf4ae1950e8f359a6350611a2d27772b17e16ca3934ea547c61d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-01-16T18:31:29Z",
    "title_canon_sha256": "70467e15364da4975ca18893368a6166a0e90fc504c4ed0809001390a7c3fe22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4120",
    "kind": "arxiv",
    "version": 2
  }
}