Pith Number

pith:E5IHE4IZ

pith:2010:E5IHE4IZWNJPP7KDUK7IONRMNU

not attested not anchored not stored refs pending

Hierarchical formation of bulgeless galaxies: Why outflows have low angular momentum

A. Brooks, A. Pontzen, B. K. Gibson, C. B. Brook, E. House, F. Governato, G. Stinson, J. Wadsley, K. Pilkington, O. Snaith, R. Roskar, T. Quinn

arxiv:1010.1004 v3 · 2010-10-05 · 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{E5IHE4IZWNJPP7KDUK7IONRMNU}

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	2026-05-18T02:05:10.885390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2750727119b352f7fd43a2be87362c6d0fb81bb5b250c6f74a4ac22da21848a1

Aliases

arxiv: 1010.1004 · arxiv_version: 1010.1004v3 · doi: 10.48550/arxiv.1010.1004 · pith_short_12: E5IHE4IZWNJP · pith_short_16: E5IHE4IZWNJPP7KD · pith_short_8: E5IHE4IZ

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/E5IHE4IZWNJPP7KDUK7IONRMNU \
  | 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: 2750727119b352f7fd43a2be87362c6d0fb81bb5b250c6f74a4ac22da21848a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "156021182b7ff854c6beb0c59c43e5f10cfbc498edf7e508ad692c66667fb6c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-10-05T20:01:29Z",
    "title_canon_sha256": "4c67a142f779900fe1db119202dcca8b1eb5f05b6d4d78803bd37ad989f12f44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.1004",
    "kind": "arxiv",
    "version": 3
  }
}