Pith Number

pith:7EPIKYI7

pith:2013:7EPIKYI7T4Z3ECDWXHJZMS6JDE

not attested not anchored not stored refs pending

Fermi bubble simulations: black hole feedback in the Milky Way

E. Zweibel, H.-Y.K. Yang, M. Ruszkowski

arxiv:1311.6159 v1 · 2013-11-24 · astro-ph.HE · 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{7EPIKYI7T4Z3ECDWXHJZMS6JDE}

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	2026-05-18T01:46:06.534940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f91e85611f9f33b20876b9d3964bc9191402816ee0fa6f7190918460efdc19e6

Aliases

arxiv: 1311.6159 · arxiv_version: 1311.6159v1 · doi: 10.48550/arxiv.1311.6159 · pith_short_12: 7EPIKYI7T4Z3 · pith_short_16: 7EPIKYI7T4Z3ECDW · pith_short_8: 7EPIKYI7

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/7EPIKYI7T4Z3ECDWXHJZMS6JDE \
  | 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: f91e85611f9f33b20876b9d3964bc9191402816ee0fa6f7190918460efdc19e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae509d65225b91f5255b419b34df1fd3b388df1e1753970727d61bee5fa6ccb8",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-11-24T19:45:03Z",
    "title_canon_sha256": "5b91ee3985d4eb64f2039454639deb703472302194658530d82432ff6e077577"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6159",
    "kind": "arxiv",
    "version": 1
  }
}