Pith Number

pith:SUY456G2

pith:2014:SUY456G2SSNMAOWDWXNOQDFEV3

not attested not anchored not stored refs pending

A truly Newtonian softening length for disc simulations

Audrey Trova (AI-Academy of Sciences, Czech Republic), France), Jean-Marc Hur\'e (Univ. Bordeaux, LAB/CNRS

arxiv:1411.7272 v1 · 2014-11-26 · 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{SUY456G2SSNMAOWDWXNOQDFEV3}

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	2026-05-18T01:41:25.637086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9531cef8da949ac03ac3b5dae80ca4aed76ed8eb366cf680dffbf12370713840

Aliases

arxiv: 1411.7272 · arxiv_version: 1411.7272v1 · doi: 10.48550/arxiv.1411.7272 · pith_short_12: SUY456G2SSNM · pith_short_16: SUY456G2SSNMAOWD · pith_short_8: SUY456G2

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/SUY456G2SSNMAOWDWXNOQDFEV3 \
  | 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: 9531cef8da949ac03ac3b5dae80ca4aed76ed8eb366cf680dffbf12370713840

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73927b78d16d0a1b22c3f4114deb435789a4cb296de43c9e6040faac6fc6dca7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-11-26T15:38:57Z",
    "title_canon_sha256": "4966b9bc46f376d16f193517289e898dbd20ce8a65e016af67d1d5563a130514"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.7272",
    "kind": "arxiv",
    "version": 1
  }
}