Pith Number

pith:KUMCSAW2

pith:2019:KUMCSAW27WC6FIA3B3GZOE2QEU

not attested not anchored not stored refs pending

Shall numerical astrophysics step into the era of Exascale computing?

David Goz, Giuliano Taffoni, Giuseppe Murante, Luca Tornatore, Manolis Katevenis, Manolis Marazakis, Nikolaos Chrysos, Stefano Borgani

arxiv:1904.11720 v1 · 2019-04-26 · astro-ph.IM · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KUMCSAW27WC6FIA3B3GZOE2QEU}

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	2026-05-17T23:47:41.137791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55182902dafd85e2a01b0ecd97135025074a9cb3ea1a8e0f0b6faa07a1c696c6

Aliases

arxiv: 1904.11720 · arxiv_version: 1904.11720v1 · doi: 10.48550/arxiv.1904.11720 · pith_short_12: KUMCSAW27WC6 · pith_short_16: KUMCSAW27WC6FIA3 · pith_short_8: KUMCSAW2

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/KUMCSAW27WC6FIA3B3GZOE2QEU \
  | 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: 55182902dafd85e2a01b0ecd97135025074a9cb3ea1a8e0f0b6faa07a1c696c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58d861e3948710ce6e5ed3bdec7a7392550f636dc5274c22716b6146f3c35a1c",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-04-26T08:56:04Z",
    "title_canon_sha256": "ac51743477c2759e9d57fb75e5fea2155e4dd9b2f0befd4b32646cfbf088427d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11720",
    "kind": "arxiv",
    "version": 1
  }
}