Pith Number

pith:ICNBMIZR

pith:2017:ICNBMIZRGS6K5TRL64B3VI6GHV

not attested not anchored not stored refs pending

An inverse problem for distributed order time-fractional diffusion equations

Gongsheng Li, Kenichi Fujishiro, Zhiyuan Li

arxiv:1707.02556 v2 · 2017-07-09 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ICNBMIZRGS6K5TRL64B3VI6GHV}

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	2026-05-18T00:08:27.268569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

409a16233134bcaece2bf703baa3c63d6062194e2ff74ce051b4d7c738d15f54

Aliases

arxiv: 1707.02556 · arxiv_version: 1707.02556v2 · doi: 10.48550/arxiv.1707.02556 · pith_short_12: ICNBMIZRGS6K · pith_short_16: ICNBMIZRGS6K5TRL · pith_short_8: ICNBMIZR

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/ICNBMIZRGS6K5TRL64B3VI6GHV \
  | 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: 409a16233134bcaece2bf703baa3c63d6062194e2ff74ce051b4d7c738d15f54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dc55dfda82faa08dd0a04ee045a25b68bb30e37ee88bfcb09d55b84e2133f9a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-07-09T10:35:24Z",
    "title_canon_sha256": "fa378b568093b733eafc917d6618b3d60c72ef6d1b2b92e47827fe98cbb0120c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02556",
    "kind": "arxiv",
    "version": 2
  }
}