Pith Number

pith:MKUNWUFK

pith:2013:MKUNWUFK5HMV22BR7LNOSCYCVE

not attested not anchored not stored refs pending

A general approach to enhance slope limiters on non-uniform rectilinear grids

Xianyi Zeng

arxiv:1301.0967 v2 · 2013-01-06 · 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{MKUNWUFK5HMV22BR7LNOSCYCVE}

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	2026-05-18T02:51:34.335482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62a8db50aae9d95d6831fadae90b02a91f320c723c8620969f5264c968a90561

Aliases

arxiv: 1301.0967 · arxiv_version: 1301.0967v2 · doi: 10.48550/arxiv.1301.0967 · pith_short_12: MKUNWUFK5HMV · pith_short_16: MKUNWUFK5HMV22BR · pith_short_8: MKUNWUFK

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/MKUNWUFK5HMV22BR7LNOSCYCVE \
  | 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: 62a8db50aae9d95d6831fadae90b02a91f320c723c8620969f5264c968a90561

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0c54ae93074e6c25ae5aaaaa44714c04b8efb0b54431c3cccedddc9e8721f21",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-01-06T03:12:38Z",
    "title_canon_sha256": "431a9dd7f6556b8eed82d511ebe13af5ab7e14058eee862c1a123e23e765b24f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0967",
    "kind": "arxiv",
    "version": 2
  }
}