Pith Number

pith:PB445NIU

pith:2011:PB445NIUQQQLE52I5O6P7DBAZM

not attested not anchored not stored refs pending

Hierarchical formation of bulgeless galaxies II: Redistribution of angular momentum via galactic fountains

B. K. Gibson, C. B. Brook, G. Stinson, J. Wadsley, R. Ro\v{s}kar, T. Quinn

arxiv:1105.2562 v2 · 2011-05-12 · astro-ph.CO · 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{PB445NIUQQQLE52I5O6P7DBAZM}

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	2026-05-18T02:01:58.931442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7879ceb5148420b27748ebbcff8c20cb221dbb91e008cf454736f5c77f87c4b7

Aliases

arxiv: 1105.2562 · arxiv_version: 1105.2562v2 · doi: 10.48550/arxiv.1105.2562 · pith_short_12: PB445NIUQQQL · pith_short_16: PB445NIUQQQLE52I · pith_short_8: PB445NIU

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/PB445NIUQQQLE52I5O6P7DBAZM \
  | 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: 7879ceb5148420b27748ebbcff8c20cb221dbb91e008cf454736f5c77f87c4b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "907ca7c3337eda4e08e41173bdc30b3b5a9cb2f5683c557e17d0d9666f9b648d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-05-12T20:00:01Z",
    "title_canon_sha256": "f0043b2df78a85301ec170517bec889c80689d1ba4299405a0962fb079a81c0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2562",
    "kind": "arxiv",
    "version": 2
  }
}