Pith Number

pith:VRFURHM2

pith:2018:VRFURHM26NGBQQAFNQHEK7N7LP

not attested not anchored not stored refs pending

A space-time finite element method for fractional wave problems

Binjie Li, Hao Luo, Xiaoping Xie

arxiv:1803.03437 v1 · 2018-03-09 · 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{VRFURHM26NGBQQAFNQHEK7N7LP}

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	2026-05-18T00:21:39.560837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac4b489d9af34c1840056c0e457dbf5bc31176d2fcd1b8b387580002a9b03832

Aliases

arxiv: 1803.03437 · arxiv_version: 1803.03437v1 · doi: 10.48550/arxiv.1803.03437 · pith_short_12: VRFURHM26NGB · pith_short_16: VRFURHM26NGBQQAF · pith_short_8: VRFURHM2

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/VRFURHM26NGBQQAFNQHEK7N7LP \
  | 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: ac4b489d9af34c1840056c0e457dbf5bc31176d2fcd1b8b387580002a9b03832

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6196a75b945a9ff90f7fc3b8f9c7382321003de83ad37b3154098dcd6004e1e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-09T09:44:30Z",
    "title_canon_sha256": "1667ecc0c33d39bb8fb61357461f9331c870b1fbc00a02cbf40e095e7f50c50c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03437",
    "kind": "arxiv",
    "version": 1
  }
}