Pith Number

pith:KW4WPLSO

pith:2021:KW4WPLSO4346UU6FKK3FIKDAVW

not attested not anchored not stored refs pending

Tree-based solvers for adaptive mesh refinement code FLASH -- II: radiation transport module TreeRay

Andre Klepitko, Anthony P. Whitworth, Daniel Seifried, Franti\v{s}ek Dinnbier, Jan Palou\v{s}, Richard W\"unsch, Sebastian Haid, Stefanie Walch

arxiv:2105.09644 v1 · 2021-05-20 · 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{KW4WPLSO4346UU6FKK3FIKDAVW}

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	2026-07-05T02:53:02.392988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55b967ae4ee6f9ea53c552b6542860ad89bbb0cb8f2723a190d932df2cf4bd3e

Aliases

arxiv: 2105.09644 · arxiv_version: 2105.09644v1 · doi: 10.48550/arxiv.2105.09644 · pith_short_12: KW4WPLSO4346 · pith_short_16: KW4WPLSO4346UU6F · pith_short_8: KW4WPLSO

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/KW4WPLSO4346UU6FKK3FIKDAVW \
  | 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: 55b967ae4ee6f9ea53c552b6542860ad89bbb0cb8f2723a190d932df2cf4bd3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbb55b58199608c3c4a6e0d4ad0ce596c716b8760d765425037ca092375334f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-05-20T10:24:15Z",
    "title_canon_sha256": "f0895df84b98f3636b1f7ccba5bc573d526b089e06f750fc887e1de65591afef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.09644",
    "kind": "arxiv",
    "version": 1
  }
}