Pith Number

pith:BYOHQJEO

pith:2019:BYOHQJEOXZKX4ZFN4JIGJ73BKK

not attested not anchored not stored refs pending

A Finite Element Approximation for a Class of Caputo Time-Fractional Diffusion Equations

Delfim F. M. Torres, Ismail Jamiai, Moulay Rchid Sidi Ammi

arxiv:1905.10657 v1 · 2019-05-25 · math.AP · cs.NA · 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{BYOHQJEOXZKX4ZFN4JIGJ73BKK}

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	2026-06-04T20:14:33.026154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e1c78248ebe557e64ade25064ff6152977bf2caf3adf5e815b91ae13e0e239f

Aliases

arxiv: 1905.10657 · arxiv_version: 1905.10657v1 · doi: 10.48550/arxiv.1905.10657 · pith_short_12: BYOHQJEOXZKX · pith_short_16: BYOHQJEOXZKX4ZFN · pith_short_8: BYOHQJEO

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/BYOHQJEOXZKX4ZFN4JIGJ73BKK \
  | 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: 0e1c78248ebe557e64ade25064ff6152977bf2caf3adf5e815b91ae13e0e239f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23e02072bf84eeab35d6599b547f457abd00e51c828b7d596a84071a787432d0",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-05-25T19:09:28Z",
    "title_canon_sha256": "1f954694b5a9f8886540425aaed53333b176905be5bb9ccf4a3d4f14048dd2db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.10657",
    "kind": "arxiv",
    "version": 1
  }
}