Pith Number

pith:O7QSIHAL

pith:2020:O7QSIHALBUOASVJ2ALV76BOBDN

not attested not anchored not stored refs pending

Fundamental Solution to 1D Degenerate Diffusion Equation with Locally Bounded Coefficients

Ian Weih-Wadman, Linan Chen

arxiv:2008.13092 v1 · 2020-08-30 · 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{O7QSIHALBUOASVJ2ALV76BOBDN}

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	2026-07-05T01:31:34.252150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77e1241c0b0d1c09553a02ebff05c11b767837a3fec87fc7429f028b9f37721e

Aliases

arxiv: 2008.13092 · arxiv_version: 2008.13092v1 · doi: 10.48550/arxiv.2008.13092 · pith_short_12: O7QSIHALBUOA · pith_short_16: O7QSIHALBUOASVJ2 · pith_short_8: O7QSIHAL

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/O7QSIHALBUOASVJ2ALV76BOBDN \
  | 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: 77e1241c0b0d1c09553a02ebff05c11b767837a3fec87fc7429f028b9f37721e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92bc20e5fe2680df180850719b0569d54d248010bdb9fb9b085a5f81c90cc592",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2020-08-30T05:17:11Z",
    "title_canon_sha256": "b00d7632c415a4c8d32f90ae4155b38eb23fd6a2c900ffbcfb23dbc26c8bc8cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.13092",
    "kind": "arxiv",
    "version": 1
  }
}