Pith Number

pith:4EQX2TX2

pith:2013:4EQX2TX2KJO6BSSJTNNSSYNVBP

not attested not anchored not stored refs pending

On the Initial-Boundary Problem for the Time-Fractional Diffusion Equation in the Quarter Plane

Demian Goos, Eduardo Santillan Marcus, Gabriela Reyero, Sabrina Roscani

arxiv:1306.1748 v3 · 2013-06-07 · 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{4EQX2TX2KJO6BSSJTNNSSYNVBP}

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	2026-05-18T01:36:21.101361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1217d4efa525de0ca499b5b2961b50be71a9c141668694962924603b89375d5

Aliases

arxiv: 1306.1748 · arxiv_version: 1306.1748v3 · doi: 10.48550/arxiv.1306.1748 · pith_short_12: 4EQX2TX2KJO6 · pith_short_16: 4EQX2TX2KJO6BSSJ · pith_short_8: 4EQX2TX2

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/4EQX2TX2KJO6BSSJTNNSSYNVBP \
  | 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: e1217d4efa525de0ca499b5b2961b50be71a9c141668694962924603b89375d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "508d6b790825dc9ba20e8e6e3008344b6ab34a5d81f3502f4fa334df1481ebb7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-06-07T15:24:33Z",
    "title_canon_sha256": "fec9954abc4ebd48f8af875ff25b147347345f9128f3be1d775523547b8fdd81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1748",
    "kind": "arxiv",
    "version": 3
  }
}