Pith Number

pith:H273QQCQ

pith:2018:H273QQCQ6BYUX37XALV4ACAYQR

not attested not anchored not stored refs pending

A fourth-order maximum principle preserving operator splitting scheme for three-dimensional fractional Allen-Cahn equations

Dongdong He, Hongling Hu, Kejia Pan

arxiv:1804.07246 v1 · 2018-04-19 · 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{H273QQCQ6BYUX37XALV4ACAYQR}

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	2026-05-18T00:18:00.930003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ebfb84050f0714beff702ebc00818845ab1e7e66bd200928bf2f72c0ac967f9

Aliases

arxiv: 1804.07246 · arxiv_version: 1804.07246v1 · doi: 10.48550/arxiv.1804.07246 · pith_short_12: H273QQCQ6BYU · pith_short_16: H273QQCQ6BYUX37X · pith_short_8: H273QQCQ

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/H273QQCQ6BYUX37XALV4ACAYQR \
  | 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: 3ebfb84050f0714beff702ebc00818845ab1e7e66bd200928bf2f72c0ac967f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec398eecd7ba3447bf3922a4f4f18929490678cf150f5c1b7dea789fbd5b6feb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-04-19T16:01:44Z",
    "title_canon_sha256": "27369e943d0b0674af435ffc46bf89e5f49c20fa959ad0033e29e34f232e6343"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07246",
    "kind": "arxiv",
    "version": 1
  }
}