Pith Number

pith:VVKQECJ5

pith:2013:VVKQECJ5T7KLO2BCKRL4W7RRPV

not attested not anchored not stored refs pending

The Relative Role of Galaxy Mergers and Cosmic Flows in Feeding Black Holes

Alyson Brooks, Fabio Governato, James Wadsley, Jillian Bellovary, Marta Volonteri, Thomas Quinn

arxiv:1307.0856 v2 · 2013-07-02 · astro-ph.CO · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VVKQECJ5T7KLO2BCKRL4W7RRPV}

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	2026-05-18T03:05:18.323426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad5502093d9fd4b768225457cb7e317d4b259833a1795c24cabcff9099414e9c

Aliases

arxiv: 1307.0856 · arxiv_version: 1307.0856v2 · doi: 10.48550/arxiv.1307.0856 · pith_short_12: VVKQECJ5T7KL · pith_short_16: VVKQECJ5T7KLO2BC · pith_short_8: VVKQECJ5

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/VVKQECJ5T7KLO2BCKRL4W7RRPV \
  | 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: ad5502093d9fd4b768225457cb7e317d4b259833a1795c24cabcff9099414e9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6330056e5e54f6a6b89288ff56d730bbd827eef5f02d0be4bfeafab08d52bb6d",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-02T21:23:35Z",
    "title_canon_sha256": "b7e975f07a34eb599fb25e06821a9f769a831087e7efffb6aa3a76f3a5282ec6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0856",
    "kind": "arxiv",
    "version": 2
  }
}