Pith Number

pith:ZSTY2X2T

pith:2011:ZSTY2X2TLW7TFADJUU7LXD5V7H

not attested not anchored not stored refs pending

A weighted finite difference method for the fractional diffusion equation based on the Riemann-Liouville derivative

Can Li, Erc\'ilia Sousa

arxiv:1109.2345 v1 · 2011-09-11 · math.NA · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZSTY2X2TLW7TFADJUU7LXD5V7H}

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	2026-05-18T04:13:37.912776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cca78d5f535dbf328069a53ebb8fb5f9d366a3ad453decbbea6e19aa07fbc856

Aliases

arxiv: 1109.2345 · arxiv_version: 1109.2345v1 · doi: 10.48550/arxiv.1109.2345 · pith_short_12: ZSTY2X2TLW7T · pith_short_16: ZSTY2X2TLW7TFADJ · pith_short_8: ZSTY2X2T

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/ZSTY2X2TLW7TFADJUU7LXD5V7H \
  | 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: cca78d5f535dbf328069a53ebb8fb5f9d366a3ad453decbbea6e19aa07fbc856

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c902349be4a8c6ae4d69e16f8cbbeddfdf6d166dd5d3a313535579f24febeae2",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-09-11T19:55:06Z",
    "title_canon_sha256": "e5a7c5617a308090e83ec794ca3b419326ae993a1824339f33f25a3ca25bcccd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2345",
    "kind": "arxiv",
    "version": 1
  }
}