Pith Number

pith:D2A3MIXP

pith:2009:D2A3MIXPHSWSWGQFMUEGW2I7GA

not attested not anchored not stored refs pending

Scalability of Hydrodynamic Simulations

Q. Daniel Wang, Shikui Tang

arxiv:0902.0403 v1 · 2009-02-03 · astro-ph.GA · 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{D2A3MIXPHSWSWGQFMUEGW2I7GA}

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	2026-05-18T02:35:01.439820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e81b622ef3cad2b1a0565086b691f3003a03b02da46af8efaba1446c89466a2

Aliases

arxiv: 0902.0403 · arxiv_version: 0902.0403v1 · doi: 10.48550/arxiv.0902.0403 · pith_short_12: D2A3MIXPHSWS · pith_short_16: D2A3MIXPHSWSWGQF · pith_short_8: D2A3MIXP

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/D2A3MIXPHSWSWGQFMUEGW2I7GA \
  | 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: 1e81b622ef3cad2b1a0565086b691f3003a03b02da46af8efaba1446c89466a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac00f52dc228df78f470ee4042c8b2fd542eecc1a1d61422333847bc6a83b7e7",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-02-03T01:11:13Z",
    "title_canon_sha256": "5cfcded44995b61f55f2ab2ce0ec7f2b9aa0b491f306b32bd5ffd017866a68f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.0403",
    "kind": "arxiv",
    "version": 1
  }
}