Pith Number

pith:OPJL7L7A

pith:2015:OPJL7L7AFCS5PZUKODPJN3BO34

not attested not anchored not stored refs pending

Dark-ages Reionization & Galaxy Formation Simulation II: Spin and concentration parameters for dark matter haloes during the Epoch of Reionization

Aaron D. Ludlow, Alan R. Duffy, Andrei Mesinger, Gregory B. Poole, J. Stuart B. Wyithe, Paul M. Geil, Paul W. Angel, Simon J. Mutch

arxiv:1512.00560 v1 · 2015-12-02 · astro-ph.GA · 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{OPJL7L7AFCS5PZUKODPJN3BO34}

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	2026-05-18T01:16:45.087621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73d2bfafe028a5d7e68a70de96ec2edf37bb76ae9b5ef1d67741a8bc68917228

Aliases

arxiv: 1512.00560 · arxiv_version: 1512.00560v1 · doi: 10.48550/arxiv.1512.00560 · pith_short_12: OPJL7L7AFCS5 · pith_short_16: OPJL7L7AFCS5PZUK · pith_short_8: OPJL7L7A

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/OPJL7L7AFCS5PZUKODPJN3BO34 \
  | 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: 73d2bfafe028a5d7e68a70de96ec2edf37bb76ae9b5ef1d67741a8bc68917228

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2f0254824fd31067dfd9dd5ec9833e2cd2ca8ce5050ae7b0e382511416dd446",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-12-02T03:29:07Z",
    "title_canon_sha256": "f1891203e27484ccb5d8f58a881786fd872cfb6f5eea8927da37d658f540101e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.00560",
    "kind": "arxiv",
    "version": 1
  }
}