Pith Number

pith:QVSGGFOT

pith:2019:QVSGGFOT6LGVVT4ZN6HT76KJNQ

not attested not anchored not stored refs pending

Uncertainty quantification of modified Cahn-Hilliard equation for image inpainting

Yin Xian

arxiv:1906.07264 v1 · 2019-06-17 · math.NA · cs.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{QVSGGFOT6LGVVT4ZN6HT76KJNQ}

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	2026-05-17T23:43:08.364439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85646315d3f2cd5acf996f8f3ff9496c29a39dd5695ce6a2483ca3c4a3fbc125

Aliases

arxiv: 1906.07264 · arxiv_version: 1906.07264v1 · doi: 10.48550/arxiv.1906.07264 · pith_short_12: QVSGGFOT6LGV · pith_short_16: QVSGGFOT6LGVVT4Z · pith_short_8: QVSGGFOT

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/QVSGGFOT6LGVVT4ZN6HT76KJNQ \
  | 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: 85646315d3f2cd5acf996f8f3ff9496c29a39dd5695ce6a2483ca3c4a3fbc125

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0399e3f3581985be25a5d4e4a80af5f38174322bf517f8c6e41fa1db16d17b0",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-06-17T20:54:13Z",
    "title_canon_sha256": "f59431161e19089ab426cd6b2afd622966161261f900e213a521dc33d367c6a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.07264",
    "kind": "arxiv",
    "version": 1
  }
}