Pith Number

pith:7WW3PEFE

pith:2009:7WW3PEFELOBIDZ7EXS5GLMMUI5

not attested not anchored not stored refs pending

[The Impact of Nuclear Star Formation on Gas Inflow to AGN

A. Burkert, A. Sternberg, E. Hicks, F. Mueller Sanchez, H. Engel, L.J. Tacconi, M. Krause, M. Schartmann, R. Genzel, R.I. Davies, W. Maciejewski

arxiv:0911.4355 v1 · 2009-11-23 · 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{7WW3PEFELOBIDZ7EXS5GLMMUI5}

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	2026-05-18T02:10:37.572629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdadb790a45b8281e7e4bcba65b1944762913f9c22c9824a63385b879cb0f688

Aliases

arxiv: 0911.4355 · arxiv_version: 0911.4355v1 · doi: 10.48550/arxiv.0911.4355 · pith_short_12: 7WW3PEFELOBI · pith_short_16: 7WW3PEFELOBIDZ7E · pith_short_8: 7WW3PEFE

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/7WW3PEFELOBIDZ7EXS5GLMMUI5 \
  | 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: fdadb790a45b8281e7e4bcba65b1944762913f9c22c9824a63385b879cb0f688

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc254b2e8f031e4765360675fae49bb9590cf3cdc0b54299b87f61d10ecdf4a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-23T10:27:16Z",
    "title_canon_sha256": "e9294b1106ef68c378b50fc81e7e27cf1c3490f653f4b815a4be74afc48f05ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4355",
    "kind": "arxiv",
    "version": 1
  }
}