Pith Number

pith:QH6HHPUK

pith:2019:QH6HHPUKNEGXGL2VEA73CAX2YP

not attested not anchored not stored refs pending

A Halo Merger Tree Generation and Evaluation Framework

Ad\'in Ram\'irez Rivera, Diego Dujovne, Jenny A. Gonz\'alez, Jonathan S. G\'omez, Nelson D. Padilla, Sandra Robles

arxiv:1906.09382 v1 · 2019-06-22 · astro-ph.CO · astro-ph.GA · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QH6HHPUKNEGXGL2VEA73CAX2YP}

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	2026-05-17T23:42:38.308750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81fc73be8a690d732f55203fb102fac3da6bdc1bcc923c98218169c74f6d418e

Aliases

arxiv: 1906.09382 · arxiv_version: 1906.09382v1 · doi: 10.48550/arxiv.1906.09382 · pith_short_12: QH6HHPUKNEGX · pith_short_16: QH6HHPUKNEGXGL2V · pith_short_8: QH6HHPUK

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/QH6HHPUKNEGXGL2VEA73CAX2YP \
  | 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: 81fc73be8a690d732f55203fb102fac3da6bdc1bcc923c98218169c74f6d418e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46fa23b4be891bd52c3b7fb193966c95200b5e6e1c85f7b9e606163e58428aca",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-06-22T03:42:56Z",
    "title_canon_sha256": "20b9676c0a733687edd26c530e4330027150e428256b5864796edccd21ed3751"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09382",
    "kind": "arxiv",
    "version": 1
  }
}