Pith Number

pith:DJ6T2BUP

pith:2009:DJ6T2BUP5SPHFJG4F2RQ4HQ2R2

not attested not anchored not stored refs pending

Particle hydrodynamics with tessellation techniques

S. Hess, V. Springel

arxiv:0912.0629 v2 · 2009-12-03 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DJ6T2BUP5SPHFJG4F2RQ4HQ2R2}

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.

Cited by

1 paper in Pith

The Kelvin-Helmholtz instability and smoothed particle hydrodynamics

Receipt and verification

First computed	2026-05-18T02:10:34.319877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a7d3d068fec9e72a4dc2ea30e1e1a8ea0d45bcdddd4b11313bf4e471e479a0d

Aliases

arxiv: 0912.0629 · arxiv_version: 0912.0629v2 · doi: 10.48550/arxiv.0912.0629 · pith_short_12: DJ6T2BUP5SPH · pith_short_16: DJ6T2BUP5SPHFJG4 · pith_short_8: DJ6T2BUP

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/DJ6T2BUP5SPHFJG4F2RQ4HQ2R2 \
  | 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: 1a7d3d068fec9e72a4dc2ea30e1e1a8ea0d45bcdddd4b11313bf4e471e479a0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbdee4e66993033e7443f24d68df5e09e9ce1a899bf35792fd00ecc37f1eafbb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-03T14:03:57Z",
    "title_canon_sha256": "d7ebf432006f12f1db076502223516d974370f6ce875072669a369a61c90a8fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0629",
    "kind": "arxiv",
    "version": 2
  }
}