Pith Number

pith:FIEGFZU2

pith:2016:FIEGFZU2YSZQB7NLXB47L6JO2D

not attested not anchored not stored refs pending

Fast iterative method with a second order implicit difference scheme for time-space fractional convection-diffusion equations

Anatoly A. Alikhanov, Bruno Carpentieri, Cui-Cui Ji, Ting-Zhu Huang, Xian-Ming Gu

arxiv:1603.00279 v3 · 2016-03-01 · 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{FIEGFZU2YSZQB7NLXB47L6JO2D}

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	2026-06-04T17:10:03.714718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a0862e69ac4b300fdabb879f5f92ed0fe2fbee15bb79e3cdb492926d56d604d

Aliases

arxiv: 1603.00279 · arxiv_version: 1603.00279v3 · doi: 10.48550/arxiv.1603.00279 · pith_short_12: FIEGFZU2YSZQ · pith_short_16: FIEGFZU2YSZQB7NL · pith_short_8: FIEGFZU2

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/FIEGFZU2YSZQB7NLXB47L6JO2D \
  | 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: 2a0862e69ac4b300fdabb879f5f92ed0fe2fbee15bb79e3cdb492926d56d604d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc0aced60173c8d102cc3308b13fa56234a222decac361f77a1ea6fe8a7ae6c4",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-03-01T14:17:48Z",
    "title_canon_sha256": "434a21a611b7c10b65dc2a0c78f080c270a4baedd22aff2120a67ca09b7886d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00279",
    "kind": "arxiv",
    "version": 3
  }
}