Pith Number

pith:6BAMNYFD

pith:2019:6BAMNYFD3SNMNBQ7PLKUPU2QYN

not attested not anchored not stored refs pending

On viscosity solutions of space-fractional diffusion equations of Caputo type

Piotr Rybka, Tokinaga Namba

arxiv:1905.00168 v1 · 2019-05-01 · 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{6BAMNYFD3SNMNBQ7PLKUPU2QYN}

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	2026-05-17T23:47:13.523419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f040c6e0a3dc9ac6861f7ad547d350c364eabe904c16a42e108d4abf48ae9453

Aliases

arxiv: 1905.00168 · arxiv_version: 1905.00168v1 · doi: 10.48550/arxiv.1905.00168 · pith_short_12: 6BAMNYFD3SNM · pith_short_16: 6BAMNYFD3SNMNBQ7 · pith_short_8: 6BAMNYFD

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/6BAMNYFD3SNMNBQ7PLKUPU2QYN \
  | 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: f040c6e0a3dc9ac6861f7ad547d350c364eabe904c16a42e108d4abf48ae9453

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8318a8b956ceaf8c2f22f32a3817f6f86eb88ec5ebbf49e2596b3389626773a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-05-01T03:00:26Z",
    "title_canon_sha256": "c66b6dcdfcdf080a768a28813f2398970a1c4d5f66516c3bc811ee9c29bb9a89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00168",
    "kind": "arxiv",
    "version": 1
  }
}