Pith Number

pith:DIFKUCBO

pith:2006:DIFKUCBOFSZ7TZBK2723E45BDV

not attested not anchored not stored refs pending

Fundamental differences between SPH and grid methods

Ake Nordlund, Andrey Kravtsov, Artur Gawryszczak, Ben Moore, Douglas Rudd, Doug Potter, Elizabeth Tasker, Francesco Miniati, Frazer Pearce, James Stone, James Wadsley, Joachim Stadel, Joe Monaghan, Justin Read, Lucio Mayer, Oscar Agertz, Rolf Walder, Romain Teyssier, Vincent Quilis, Volker Springel

arxiv:astro-ph/0610051 v1 · 2006-10-02 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DIFKUCBOFSZ7TZBK2723E45BDV}

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	2026-07-04T17:17:32.031865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a0aaa082e2cb3f9e42ad7f5b273a11d4df0473890a2abcd0762588dddb5919a

Aliases

arxiv: astro-ph/0610051 · arxiv_version: astro-ph/0610051v1 · doi: 10.48550/arxiv.astro-ph/0610051 · pith_short_12: DIFKUCBOFSZ7 · pith_short_16: DIFKUCBOFSZ7TZBK · pith_short_8: DIFKUCBO

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/DIFKUCBOFSZ7TZBK2723E45BDV \
  | 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: 1a0aaa082e2cb3f9e42ad7f5b273a11d4df0473890a2abcd0762588dddb5919a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21bf7e2b32aa6cecb40491501d041b1937cfc48cbaae6e770b0a52eb84475b3e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-10-02T19:28:24Z",
    "title_canon_sha256": "45e5a0003fb6bc2b8ac329c7b0bfa0c27418c1d3f2dd35857f1984b9dbc49bc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0610051",
    "kind": "arxiv",
    "version": 1
  }
}