Pith Number

pith:B77Q27NJ

pith:2017:B77Q27NJ7PWRHJF4IIX6FW44NJ

not attested not anchored not stored refs pending

Initial trace of positive solutions to fractional diffusion equation with absorption

Huyuan Chen, Laurent Veron (LMPT)

arxiv:1712.05223 v4 · 2017-12-14 · 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{B77Q27NJ7PWRHJF4IIX6FW44NJ}

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	2026-05-18T00:02:28.072747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fff0d7da9fbed13a4bc422fe2db9c6a5eda6ff80e494a0f95b3118ac5894677

Aliases

arxiv: 1712.05223 · arxiv_version: 1712.05223v4 · doi: 10.48550/arxiv.1712.05223 · pith_short_12: B77Q27NJ7PWR · pith_short_16: B77Q27NJ7PWRHJF4 · pith_short_8: B77Q27NJ

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/B77Q27NJ7PWRHJF4IIX6FW44NJ \
  | 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: 0fff0d7da9fbed13a4bc422fe2db9c6a5eda6ff80e494a0f95b3118ac5894677

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5fec88faa70ef4549e5dc257939f9ff794ca8c3f7b96d3e8fcac472df223a32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-12-14T13:52:08Z",
    "title_canon_sha256": "25fdeffe40cd792fb0ef84ffb939c8bda1eeb3f797f9b8b35a1e2d87c25478c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05223",
    "kind": "arxiv",
    "version": 4
  }
}