Pith Number

pith:QNDBTN45

pith:2015:QNDBTN45BKI7RSFTTFF72ZBRT3

not attested not anchored not stored refs pending

The Caterpillar Project: A Large Suite of Milky Way Sized Halos

Alexander P. Ji, Anna Frebel, Brendan F. Griffen, Brian W. O'Shea, Facundo A. G\'omez, Gregory A. Dooley, Mark Vogelsberger

arxiv:1509.01255 v2 · 2015-09-03 · 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{QNDBTN45BKI7RSFTTFF72ZBRT3}

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	2026-05-18T01:19:57.266089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

834619b79d0a91f8c8b3994bfd64319ec2c0e58caa24b5bb73ef40847cac979b

Aliases

arxiv: 1509.01255 · arxiv_version: 1509.01255v2 · doi: 10.48550/arxiv.1509.01255 · pith_short_12: QNDBTN45BKI7 · pith_short_16: QNDBTN45BKI7RSFT · pith_short_8: QNDBTN45

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/QNDBTN45BKI7RSFTTFF72ZBRT3 \
  | 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: 834619b79d0a91f8c8b3994bfd64319ec2c0e58caa24b5bb73ef40847cac979b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "544fb2f1c1796397576adb5b1cd22f89210d25c6b973aba7fbbd386652304f67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-09-03T20:04:36Z",
    "title_canon_sha256": "ddf00c5c45b47b6b9efe2535dbd182285186f3ba563d34857f0038064fd42a46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.01255",
    "kind": "arxiv",
    "version": 2
  }
}