Pith Number

pith:WTSTFPLY

pith:2019:WTSTFPLYYMKQSVPNLJS2I3KPUI

not attested not anchored not stored refs pending

Implementation and Performance of Barnes-Hut N-body algorithm on Extreme-scale Heterogeneous Many-core Architectures

Daisuke Namekata, Guangwen Yang, Haohuan Fu, Jun Makino, Keigo Nitadori, Long Wang, Masaki Iwasawa, Miyuki Tsubouchi, Ryo Sakamoto, Takashi Nakamura, Yasuyuki Kimura, Zhao Liu

arxiv:1907.02289 v1 · 2019-07-04 · astro-ph.IM · astro-ph.CO · astro-ph.EP · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTSTFPLYYMKQSVPNLJS2I3KPUI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:41:29.127112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4e532bd78c3150955ed5a65a46d4fa2378128a980de32766c5dea9afda30f2a

Aliases

arxiv: 1907.02289 · arxiv_version: 1907.02289v1 · doi: 10.48550/arxiv.1907.02289 · pith_short_12: WTSTFPLYYMKQ · pith_short_16: WTSTFPLYYMKQSVPN · pith_short_8: WTSTFPLY

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/WTSTFPLYYMKQSVPNLJS2I3KPUI \
  | 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: b4e532bd78c3150955ed5a65a46d4fa2378128a980de32766c5dea9afda30f2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb08051cee851c4e7dc1dda80933976e63e9df2e9edf8e7e20c176f9538e1ecf",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-07-04T09:20:07Z",
    "title_canon_sha256": "08ac09cc772f25fabf5c2df745a557bfd886d31656827a14ee4034e3a7211c98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02289",
    "kind": "arxiv",
    "version": 1
  }
}