Pith Number

pith:QQYYHRMF

pith:2014:QQYYHRMFJH3NOVYJYKHIVJR4GD

not attested not anchored not stored refs pending

A decoupled unconditionally stable numerical scheme for the Cahn-Hilliard-Hele-Shaw system

Daozhi Han

arxiv:1410.8846 v1 · 2014-10-31 · 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{QQYYHRMFJH3NOVYJYKHIVJR4GD}

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	2026-05-18T02:38:53.598375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

843183c58549f6d75709c28e8aa63c30dd08aa8c62022c1a6a270b24649aae97

Aliases

arxiv: 1410.8846 · arxiv_version: 1410.8846v1 · doi: 10.48550/arxiv.1410.8846 · pith_short_12: QQYYHRMFJH3N · pith_short_16: QQYYHRMFJH3NOVYJ · pith_short_8: QQYYHRMF

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/QQYYHRMFJH3NOVYJYKHIVJR4GD \
  | 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: 843183c58549f6d75709c28e8aa63c30dd08aa8c62022c1a6a270b24649aae97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7617a300f9552e5f2c6d7b73af8573816e73f2d6773067efc117c24143d11a7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-10-31T18:49:59Z",
    "title_canon_sha256": "867b61919db4180dd0a709bda81cabadb9bed3a1cc3f4530bc5110b2b6cb9277"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.8846",
    "kind": "arxiv",
    "version": 1
  }
}