Pith Number

pith:DWIYPKFV

pith:2016:DWIYPKFV6ZX4QCBWJLYRD3AWXC

not attested not anchored not stored refs pending

Positivity-preserving and asymptotic preserving method for 2D Keller-Segal equations

Jian-Guo Liu, Li Wang, Zhennan Zhou

arxiv:1610.03016 v2 · 2016-10-10 · math.NA · math-ph · math.AP · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DWIYPKFV6ZX4QCBWJLYRD3AWXC}

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	2026-05-18T01:00:03.023005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d9187a8b5f66fc808364af111ec16b89eba2f48e943cbb196abff138fce4b47

Aliases

arxiv: 1610.03016 · arxiv_version: 1610.03016v2 · doi: 10.48550/arxiv.1610.03016 · pith_short_12: DWIYPKFV6ZX4 · pith_short_16: DWIYPKFV6ZX4QCBW · pith_short_8: DWIYPKFV

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/DWIYPKFV6ZX4QCBWJLYRD3AWXC \
  | 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: 1d9187a8b5f66fc808364af111ec16b89eba2f48e943cbb196abff138fce4b47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d28496a8bbb12e4c9cdd6bd477e71b994f7e0d31b96cb9943b2d216560b129b",
    "cross_cats_sorted": [
      "math-ph",
      "math.AP",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-10-10T18:17:02Z",
    "title_canon_sha256": "b3a0debc07aeb8af19a51d3b1213ac51e5f072d46a7a91444ebc9427b9fe8b5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.03016",
    "kind": "arxiv",
    "version": 2
  }
}