Pith Number

pith:IGRQPBUG

pith:2015:IGRQPBUGTGGUKT3YDBWWTZNQPX

not attested not anchored not stored refs pending

Sweating the small stuff: simulating dwarf galaxies, ultra-faint dwarf galaxies, and their own tiny satellites

(2) MPIA, (3) University of Maryland, (4) Caltech, (5) University of California, Coral Wheeler (1), Dusan Keres (5) ((1) University of California, Irvine, James S. Bullock (1), Jose Onorbe (2), Michael Boylan-Kolchin (3), Oliver D. Elbert (1), Philip F. Hopkins (4), San Diego), Shea Garrison-Kimmel (1)

arxiv:1504.02466 v2 · 2015-04-09 · 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{IGRQPBUGTGGUKT3YDBWWTZNQPX}

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	2026-05-18T01:33:43.577229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41a3078686998d454f78186d69e5b07dfe316e198e368c44073759ba3345a2d4

Aliases

arxiv: 1504.02466 · arxiv_version: 1504.02466v2 · doi: 10.48550/arxiv.1504.02466 · pith_short_12: IGRQPBUGTGGU · pith_short_16: IGRQPBUGTGGUKT3Y · pith_short_8: IGRQPBUG

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/IGRQPBUGTGGUKT3YDBWWTZNQPX \
  | 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: 41a3078686998d454f78186d69e5b07dfe316e198e368c44073759ba3345a2d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "decc5c5f7dead0b760ac2bb725b59c9ac647841f562ee7c81c9da54098a3a27e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-09T20:00:28Z",
    "title_canon_sha256": "587ac6ad474411b53459dda98eaaccd07afb42aa8c9ee0b153c79a8cc8891771"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02466",
    "kind": "arxiv",
    "version": 2
  }
}