Pith Number

pith:EBZEN7BF

pith:2018:EBZEN7BFVKVMX4JS6VBANOX7YP

not attested not anchored not stored refs pending

Logarithmic corrections in Fisher-KPP type Porous Medium Equations

Fernando Quiros, Maolin Zhou, Yihong Du

arxiv:1806.02022 v1 · 2018-06-06 · 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{EBZEN7BFVKVMX4JS6VBANOX7YP}

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	2026-05-18T00:14:02.976240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

207246fc25aaaacbf132f54206baffc3e5b89102fd26397865da98b2c5102dfd

Aliases

arxiv: 1806.02022 · arxiv_version: 1806.02022v1 · doi: 10.48550/arxiv.1806.02022 · pith_short_12: EBZEN7BFVKVM · pith_short_16: EBZEN7BFVKVMX4JS · pith_short_8: EBZEN7BF

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/EBZEN7BFVKVMX4JS6VBANOX7YP \
  | 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: 207246fc25aaaacbf132f54206baffc3e5b89102fd26397865da98b2c5102dfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d195dd317cdad30b2152ac6bbb459290ede084b964d2f3ede17a0d35b880b4c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-06-06T06:17:48Z",
    "title_canon_sha256": "3d6890c1a12230c2bdb705d50a3f7e5a50f644f57822294eaca308b80e393833"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.02022",
    "kind": "arxiv",
    "version": 1
  }
}