Pith Number

pith:VTBPOJPZ

pith:2015:VTBPOJPZPCIUAVRCC3352YNZZC

not attested not anchored not stored refs pending

SWIFT: task-based hydrodynamics and gravity for cosmological simulations

(2) ECS, 3) ((1) ICC, (3) Google Switzerland), Aidan Chalk (2), Durham University, Matthieu Schaller (1), Pedro Gonnet (2, Tom Theuns (1)

arxiv:1508.00115 v1 · 2015-08-01 · 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{VTBPOJPZPCIUAVRCC3352YNZZC}

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	2026-05-18T01:35:58.960409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acc2f725f9789140562216f7dd61b9c8a5ef6e9f00609f2da3b76551b1ea3b9c

Aliases

arxiv: 1508.00115 · arxiv_version: 1508.00115v1 · doi: 10.48550/arxiv.1508.00115 · pith_short_12: VTBPOJPZPCIU · pith_short_16: VTBPOJPZPCIUAVRC · pith_short_8: VTBPOJPZ

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/VTBPOJPZPCIUAVRCC3352YNZZC \
  | 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: acc2f725f9789140562216f7dd61b9c8a5ef6e9f00609f2da3b76551b1ea3b9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e3c782324f9af86eb05c8b4165de559ff649cb44b788255c617bb58d6dcc6b1",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-08-01T12:26:30Z",
    "title_canon_sha256": "ecb51e9fc664b8c071390be63cbfd1e697583d1f15996d8aa1fa3e26f35aa109"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00115",
    "kind": "arxiv",
    "version": 1
  }
}