Pith Number

pith:BVUF2DT3

pith:2015:BVUF2DT3XGRIPKYU3NYV4AREIO

not attested not anchored not stored refs pending

Preconditioned iterative methods for space-time fractional advection-diffusion equations

Matthew M. Lin, Xiao-Qing Jin, Zhi Zhao

arxiv:1510.05089 v1 · 2015-10-17 · 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{BVUF2DT3XGRIPKYU3NYV4AREIO}

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	2026-05-18T01:12:07.757445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d685d0e7bb9a287ab14db715e022443844502251f67a21b4625f41c8d48c542

Aliases

arxiv: 1510.05089 · arxiv_version: 1510.05089v1 · doi: 10.48550/arxiv.1510.05089 · pith_short_12: BVUF2DT3XGRI · pith_short_16: BVUF2DT3XGRIPKYU · pith_short_8: BVUF2DT3

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/BVUF2DT3XGRIPKYU3NYV4AREIO \
  | 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: 0d685d0e7bb9a287ab14db715e022443844502251f67a21b4625f41c8d48c542

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "933533a005f838e89fadaa08b18d9b4103cc68a7932248f7fbb9d404b92fd613",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-10-17T07:34:39Z",
    "title_canon_sha256": "339401a3efdf95c56d6a7b53a64f1840c4107e3c54b00dcb33a86f89affc0ef2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05089",
    "kind": "arxiv",
    "version": 1
  }
}