Pith Number

pith:GQAFNTH5

pith:1996:GQAFNTH5TWEK4MRZZ6OQJFR5UT

not attested not anchored not stored refs pending

Force Error Optimization in Smooth Particle Hydrodynamics

R. Capuzzo-Dolcetta, R. Di Lisio

arxiv:astro-ph/9611177 v2 · 1996-11-21 · 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{GQAFNTH5TWEK4MRZZ6OQJFR5UT}

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	2026-05-18T01:07:40.524342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

340056ccfd9d88ae3239cf9d04963da4faf6ba9280eb3e538e24dc64a6a34e9c

Aliases

arxiv: astro-ph/9611177 · arxiv_version: astro-ph/9611177v2 · doi: 10.48550/arxiv.astro-ph/9611177 · pith_short_12: GQAFNTH5TWEK · pith_short_16: GQAFNTH5TWEK4MRZ · pith_short_8: GQAFNTH5

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/GQAFNTH5TWEK4MRZZ6OQJFR5UT \
  | 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: 340056ccfd9d88ae3239cf9d04963da4faf6ba9280eb3e538e24dc64a6a34e9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cc7b22773d1d45cbdec43a0b8062168639f0974bcd92af6b13693fcce48422c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-11-21T18:10:06Z",
    "title_canon_sha256": "8a6a8e49535c1248e8b56dafc8bab87d50aa7593bd72b6cf7250e5fcd9ff36af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9611177",
    "kind": "arxiv",
    "version": 2
  }
}