Pith Number

pith:IBQGAB3X

pith:2013:IBQGAB3XRC4F3RMMSNFCEIUORC

not attested not anchored not stored refs pending

Analysis of a time discretization scheme for a nonstandard viscous Cahn-Hilliard system

Gianni Gilardi, J\"urgen Sprekels, Paolo Podio-Guidugli, Pavel Krej\v{c}\'i, Pierluigi Colli

arxiv:1304.4503 v2 · 2013-04-16 · math.AP · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IBQGAB3XRC4F3RMMSNFCEIUORC}

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	2026-05-17T23:53:17.639110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

406060077788b85dc58c934a22228e889168c6151a20bb2fdbc4651347d6cbeb

Aliases

arxiv: 1304.4503 · arxiv_version: 1304.4503v2 · doi: 10.48550/arxiv.1304.4503 · pith_short_12: IBQGAB3XRC4F · pith_short_16: IBQGAB3XRC4F3RMM · pith_short_8: IBQGAB3X

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/IBQGAB3XRC4F3RMMSNFCEIUORC \
  | 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: 406060077788b85dc58c934a22228e889168c6151a20bb2fdbc4651347d6cbeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cce86715268ee256d6e90bf1b3be982003be5b1e15a271387f3e99619390744",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-04-16T15:57:21Z",
    "title_canon_sha256": "d6ef352fc38c7c82990f23be6c0b9dc1d539fe66134215dc2fa9f718134655bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4503",
    "kind": "arxiv",
    "version": 2
  }
}