Pith Number

pith:7ZF5JGOJ

pith:2018:7ZF5JGOJPJAPLLSJSF47ENCZUY

not attested not anchored not stored refs pending

Simulating the Cosmic Dawn with Enzo

Britton Smith, James Bordner, Michael L. Norman

arxiv:1810.03179 v1 · 2018-10-07 · 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{7ZF5JGOJPJAPLLSJSF47ENCZUY}

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	2026-05-18T00:03:54.258948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe4bd499c97a40f5ae499179f23459a61aebb3bc1100f2714d1b130a1732588a

Aliases

arxiv: 1810.03179 · arxiv_version: 1810.03179v1 · doi: 10.48550/arxiv.1810.03179 · pith_short_12: 7ZF5JGOJPJAP · pith_short_16: 7ZF5JGOJPJAPLLSJ · pith_short_8: 7ZF5JGOJ

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/7ZF5JGOJPJAPLLSJSF47ENCZUY \
  | 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: fe4bd499c97a40f5ae499179f23459a61aebb3bc1100f2714d1b130a1732588a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38e24a73135fdfadc6a795d2ec72ea381e7aa8c2580bbf5306e654d295c7d429",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-10-07T16:57:58Z",
    "title_canon_sha256": "9b963db3c2930d5a7c9af4d9db20d406507191547003a5b1f3e38c0997693876"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03179",
    "kind": "arxiv",
    "version": 1
  }
}