Pith Number

pith:QDLWVGDM

pith:2021:QDLWVGDM2BYD5VGSURJNT3OQZV

not attested not anchored not stored refs pending

Unconditional bound-preserving and energy-dissipating finite-volume schemes for the Cahn-Hilliard equation

Jos\'e A. Carrillo, Rafael Bailo, Serafim Kalliadasis, Sergio P. Perez

arxiv:2105.05351 v2 · 2021-05-11 · math.NA · cs.NA · 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{QDLWVGDM2BYD5VGSURJNT3OQZV}

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	2026-07-05T07:24:35.242246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80d76a986cd0703ed4d2a452d9edd0cd5e6f4fd7b39f511bea97caaad4328fd2

Aliases

arxiv: 2105.05351 · arxiv_version: 2105.05351v2 · doi: 10.48550/arxiv.2105.05351 · pith_short_12: QDLWVGDM2BYD · pith_short_16: QDLWVGDM2BYD5VGS · pith_short_8: QDLWVGDM

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/QDLWVGDM2BYD5VGSURJNT3OQZV \
  | 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: 80d76a986cd0703ed4d2a452d9edd0cd5e6f4fd7b39f511bea97caaad4328fd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0460d32271102592073d1c343e9bb1b0fab31c6f15d16c7e7c299ed1ff30af4e",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-05-11T21:56:08Z",
    "title_canon_sha256": "2d453177ac4a00243fde296e1f33146e72540062dacfd0236fe99000af8f1d28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.05351",
    "kind": "arxiv",
    "version": 2
  }
}