Pith Number

pith:VJF5FN7C

pith:2014:VJF5FN7C7NTECACRM4B6PUTQCZ

not attested not anchored not stored refs pending

Gas inflows towards the nucleus of the active galaxy NGC7213

(2) Universidad de Concepc\'ion, (3) Universidade Federal do Rio Grande), Allan Schnorr-M\"uller (1), Fabricio Ferrari (3)((1) Universidade Federal do Rio Grande do Sul, Neil M. Nagar (2), Thaisa Storchi-Bergmann (1)

arxiv:1401.5650 v1 · 2014-01-22 · 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{VJF5FN7C7NTECACRM4B6PUTQCZ}

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	2026-05-18T01:45:17.986969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa4bd2b7e2fb664100516703e7d2701668adbe66bdee808e99c379f804222c82

Aliases

arxiv: 1401.5650 · arxiv_version: 1401.5650v1 · doi: 10.48550/arxiv.1401.5650 · pith_short_12: VJF5FN7C7NTE · pith_short_16: VJF5FN7C7NTECACR · pith_short_8: VJF5FN7C

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/VJF5FN7C7NTECACRM4B6PUTQCZ \
  | 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: aa4bd2b7e2fb664100516703e7d2701668adbe66bdee808e99c379f804222c82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcb99038691594556003a4b701af50d7fe9b0824a145d644a029a5c98b2aaec4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-01-22T13:07:33Z",
    "title_canon_sha256": "5bff3119124a97205a9a0e7190fe4b751029464c381079020e06a84a55ad1727"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5650",
    "kind": "arxiv",
    "version": 1
  }
}