Pith Number

pith:XE5GRUN4

pith:2018:XE5GRUN43T4ELOLSUH2RGWZHA2

not attested not anchored not stored refs pending

Subdiffusion with a time-dependent coefficient: analysis and numerical solution

Bangti Jin, Buyang Li, Zhi Zhou

arxiv:1809.07583 v2 · 2018-09-20 · 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{XE5GRUN43T4ELOLSUH2RGWZHA2}

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	2026-05-18T00:05:13.350126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b93a68d1bcdcf845b972a1f5135b27069fc54c2a2bf18efd0021d867a5a94fbc

Aliases

arxiv: 1809.07583 · arxiv_version: 1809.07583v2 · doi: 10.48550/arxiv.1809.07583 · pith_short_12: XE5GRUN43T4E · pith_short_16: XE5GRUN43T4ELOLS · pith_short_8: XE5GRUN4

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/XE5GRUN43T4ELOLSUH2RGWZHA2 \
  | 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: b93a68d1bcdcf845b972a1f5135b27069fc54c2a2bf18efd0021d867a5a94fbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "703a1a90ed2fba75ede7bcac7cdbbf7e17cd6a3ca9a12ca4f7998494cd78efa3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-09-20T12:04:26Z",
    "title_canon_sha256": "1769b11b0bf199179df0a2bfb6ddb298d64c1849194c0db60616500b9ba7d12e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.07583",
    "kind": "arxiv",
    "version": 2
  }
}