Pith Number

pith:4UCLNRKC

pith:2018:4UCLNRKCYAVJUKT4MIVFVES6YW

not attested not anchored not stored refs pending

A fast and accurate method of radiation hydrodynamics calculation in spherical symmetry

Shu-ichiro Inutsuka, Torsten Stamer

arxiv:1804.08988 v1 · 2018-04-24 · 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{4UCLNRKCYAVJUKT4MIVFVES6YW}

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	2026-05-18T00:14:40.045565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e504b6c542c02a9a2a7c622a5a925ec5813bbbac479c2f40a974d2f7ad002b36

Aliases

arxiv: 1804.08988 · arxiv_version: 1804.08988v1 · doi: 10.48550/arxiv.1804.08988 · pith_short_12: 4UCLNRKCYAVJ · pith_short_16: 4UCLNRKCYAVJUKT4 · pith_short_8: 4UCLNRKC

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/4UCLNRKCYAVJUKT4MIVFVES6YW \
  | 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: e504b6c542c02a9a2a7c622a5a925ec5813bbbac479c2f40a974d2f7ad002b36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93d8adfa17c7e259ba4e2a1266c4dce6464d92776d4a72fd429a8309ab7f64a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-04-24T12:32:35Z",
    "title_canon_sha256": "f5e94f7674e72b2d1aefdf2ae9b224f66003b0e73fc6d90a8b2450b7405a4b06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08988",
    "kind": "arxiv",
    "version": 1
  }
}