Pith Number

pith:3ET27JPQ

pith:2018:3ET27JPQBPTMMVKF7XTQ5QZTDR

not attested not anchored not stored refs pending

pynucastro: an interface to nuclear reaction rates and code generator for reaction network equations

Donald E. Willcox, Michael Zingale

arxiv:1803.08920 v1 · 2018-03-20 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3ET27JPQBPTMMVKF7XTQ5QZTDR}

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	2026-05-18T00:20:18.231800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d927afa5f00be6c65545fde70ec3331c68d6b14dc02b82a7143488c747098c0f

Aliases

arxiv: 1803.08920 · arxiv_version: 1803.08920v1 · doi: 10.48550/arxiv.1803.08920 · pith_short_12: 3ET27JPQBPTM · pith_short_16: 3ET27JPQBPTMMVKF · pith_short_8: 3ET27JPQ

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/3ET27JPQBPTMMVKF7XTQ5QZTDR \
  | 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: d927afa5f00be6c65545fde70ec3331c68d6b14dc02b82a7143488c747098c0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1705c7de53254dd563aa0daf64ac116ef099425ed6627b372d51e02d2f6bd47",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-03-20T21:17:14Z",
    "title_canon_sha256": "da9cc94fa7955ca17beb0b0a3a42f4c049ce3db7f525ccc085309bc367d08501"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08920",
    "kind": "arxiv",
    "version": 1
  }
}