Pith Number

pith:M3Y55PEL

pith:2017:M3Y55PELLRYPBTABR4D3DFNMLM

not attested not anchored not stored refs pending

Boundary Conditions for Fractional Diffusion

Boris Baeumer, Harish Sankaranarayanan, Mark M. Meerschaert, Mih\'aly Kov\'acs

arxiv:1706.07991 v1 · 2017-06-24 · math.AP · 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{M3Y55PELLRYPBTABR4D3DFNMLM}

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	2026-05-18T00:41:46.954025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66f1debc8b5c70f0cc018f07b195ac5b2a276a79348316f9a8bbb732982ca5ad

Aliases

arxiv: 1706.07991 · arxiv_version: 1706.07991v1 · doi: 10.48550/arxiv.1706.07991 · pith_short_12: M3Y55PELLRYP · pith_short_16: M3Y55PELLRYPBTAB · pith_short_8: M3Y55PEL

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/M3Y55PELLRYPBTABR4D3DFNMLM \
  | 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: 66f1debc8b5c70f0cc018f07b195ac5b2a276a79348316f9a8bbb732982ca5ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f3224cc808cffb715e63ed3a22fff6b74ad059311d4a6a96811ed01bb662818",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-06-24T19:01:33Z",
    "title_canon_sha256": "52afe7c496cccb22e8c895a04dbbbf2247ace7bc1b0e750e748b585df79f4d26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07991",
    "kind": "arxiv",
    "version": 1
  }
}