Pith Number

pith:7FGA5KNX

pith:2013:7FGA5KNXNSGVDBELEGOGSOZC6Q

not attested not anchored not stored refs pending

SWIFT: Fast algorithms for multi-resolution SPH on multi-core architectures

Aidan B. G. Chalk, Matthieu Schaller, Pedro Gonnet, Tom Theuns

arxiv:1309.3783 v1 · 2013-09-15 · astro-ph.IM · astro-ph.CO · 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{7FGA5KNXNSGVDBELEGOGSOZC6Q}

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	2026-05-18T03:13:20.562055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f94c0ea9b76c8d51848b219c693b22f41f2f4078d4b51fa7fb4605fad0264459

Aliases

arxiv: 1309.3783 · arxiv_version: 1309.3783v1 · doi: 10.48550/arxiv.1309.3783 · pith_short_12: 7FGA5KNXNSGV · pith_short_16: 7FGA5KNXNSGVDBEL · pith_short_8: 7FGA5KNX

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/7FGA5KNXNSGVDBELEGOGSOZC6Q \
  | 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: f94c0ea9b76c8d51848b219c693b22f41f2f4078d4b51fa7fb4605fad0264459

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "166af0d7f6eb711f025f7ed0492041c6c673ffbbce151ca4ff3914c75b186b3b",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-09-15T17:53:42Z",
    "title_canon_sha256": "93b2054440b97a3f6b66ff30a9356c84d63e95807307ba830150194968c84090"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.3783",
    "kind": "arxiv",
    "version": 1
  }
}