Pith Number

pith:FPA4NJAB

pith:2013:FPA4NJABUR3NG75TQPTLWV36PW

not attested not anchored not stored refs pending

Error Analysis of Semidiscrete Finite Element Methods for Inhomogeneous Time-Fractional Diffusion

Bangti Jin, Joseph Pasciak, Raytcho Lazarov, Zhi Zhou

arxiv:1307.1068 v1 · 2013-07-03 · 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{FPA4NJABUR3NG75TQPTLWV36PW}

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	2026-05-18T03:19:22.963559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bc1c6a401a476d37fb383e6bb577e7d9c01bb556b362860ee3543895c5a5ade

Aliases

arxiv: 1307.1068 · arxiv_version: 1307.1068v1 · doi: 10.48550/arxiv.1307.1068 · pith_short_12: FPA4NJABUR3N · pith_short_16: FPA4NJABUR3NG75T · pith_short_8: FPA4NJAB

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/FPA4NJABUR3NG75TQPTLWV36PW \
  | 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: 2bc1c6a401a476d37fb383e6bb577e7d9c01bb556b362860ee3543895c5a5ade

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e6d62b5fa2d02cb5ac644d53cac1966b0506f8b5be443dc1423c7e6d01e3945",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-07-03T16:29:40Z",
    "title_canon_sha256": "e9749d2a0d2bc2464a9370cb701cbdbca9ed684692cefd75d33a9cfba88b0527"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1068",
    "kind": "arxiv",
    "version": 1
  }
}