Pith Number

pith:OIPVSS2K

pith:2003:OIPVSS2KINQJ4QWOED2UGO37L7

not attested not anchored not stored refs pending

Smoothed Particle Magnetohydrodynamics I. Algorithms and tests in one dimension

D.J. Price, J.J. Monaghan

arxiv:astro-ph/0310789 v1 · 2003-10-28 · 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{OIPVSS2KINQJ4QWOED2UGO37L7}

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	2026-05-18T01:07:33.229932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

721f594b4a43609e42ce20f5433b7f5fee6ad8eaf8200f5fd871bcf6027878c1

Aliases

arxiv: astro-ph/0310789 · arxiv_version: astro-ph/0310789v1 · doi: 10.48550/arxiv.astro-ph/0310789 · pith_short_12: OIPVSS2KINQJ · pith_short_16: OIPVSS2KINQJ4QWO · pith_short_8: OIPVSS2K

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/OIPVSS2KINQJ4QWOED2UGO37L7 \
  | 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: 721f594b4a43609e42ce20f5433b7f5fee6ad8eaf8200f5fd871bcf6027878c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9afc3a1879bca6e4f23ded0988c6f3a8de46d26fabdc6b6cd480fea15c52711",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-10-28T12:27:40Z",
    "title_canon_sha256": "d4661ea4f48aa982ce88b3c2847dee8dc554b72ef0e7cfb17a46646caf94b08c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0310789",
    "kind": "arxiv",
    "version": 1
  }
}