Pith Number

pith:GGD25FJD

pith:2012:GGD25FJDCXMEPZAC2R5JRRIDZC

not attested not anchored not stored refs pending

Simple absorbing boundary conditions for wave simulations with Smoothed Particle Hydrodynamics

Enrico Vitanza, Molteni Diego, Rosario Grammauta

arxiv:1202.5893 v1 · 2012-02-27 · physics.comp-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{GGD25FJDCXMEPZAC2R5JRRIDZC}

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	2026-05-18T04:01:24.363185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3187ae952315d847e402d47a98c503c8bc88fccc1788682aa0064288750bda23

Aliases

arxiv: 1202.5893 · arxiv_version: 1202.5893v1 · doi: 10.48550/arxiv.1202.5893 · pith_short_12: GGD25FJDCXME · pith_short_16: GGD25FJDCXMEPZAC · pith_short_8: GGD25FJD

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/GGD25FJDCXMEPZAC2R5JRRIDZC \
  | 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: 3187ae952315d847e402d47a98c503c8bc88fccc1788682aa0064288750bda23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d440e0b1bc2feb695763c740ca69668abbe0fff9f9823fb35aa72b643322326",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2012-02-27T11:23:14Z",
    "title_canon_sha256": "1defe25366de4b77239d59426846461ae322218fdaa0385cbdf00efe6bbb34ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5893",
    "kind": "arxiv",
    "version": 1
  }
}