Pith Number

pith:SQJZZKBJ

pith:2017:SQJZZKBJXTSUJWH24WRU52T5XL

not attested not anchored not stored refs pending

Reconstruction of the Temporal Component in the Source Term of a (Time-Fractional) Diffusion Equation

Yikan Liu, Zhidong Zhang

arxiv:1704.04987 v1 · 2017-04-13 · math.AP · math-ph · math.MP · 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{SQJZZKBJXTSUJWH24WRU52T5XL}

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	2026-05-18T00:38:55.467576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94139ca829bce544d8fae5a34eea7dbaf0bd29f69157d8a27c6409845e7ed172

Aliases

arxiv: 1704.04987 · arxiv_version: 1704.04987v1 · doi: 10.48550/arxiv.1704.04987 · pith_short_12: SQJZZKBJXTSU · pith_short_16: SQJZZKBJXTSUJWH2 · pith_short_8: SQJZZKBJ

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/SQJZZKBJXTSUJWH24WRU52T5XL \
  | 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: 94139ca829bce544d8fae5a34eea7dbaf0bd29f69157d8a27c6409845e7ed172

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a339e2a759b9bd5d45bbb2957e34f051988b97222965e07dc045c694739ffa7b",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-04-13T03:33:28Z",
    "title_canon_sha256": "f63fe76110609d035c9b0ffd291dd8be963af132f9f29e5b30a4ab5750586720"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04987",
    "kind": "arxiv",
    "version": 1
  }
}