Pith Number

pith:6ZP5WALD

pith:2014:6ZP5WALDXCCUBKT2WIWDCECHUN

not attested not anchored not stored refs pending

Dirichlet boundary conditions for degenerate and singular nonlinear parabolic equations

Fabio Punzo, Marta Strani

arxiv:1412.2068 v1 · 2014-12-05 · 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{6ZP5WALDXCCUBKT2WIWDCECHUN}

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	2026-05-18T02:32:05.447379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f65fdb0163b88540aa7ab22c311047a35cbbe4f8800866422ae6df84ce26968c

Aliases

arxiv: 1412.2068 · arxiv_version: 1412.2068v1 · doi: 10.48550/arxiv.1412.2068 · pith_short_12: 6ZP5WALDXCCU · pith_short_16: 6ZP5WALDXCCUBKT2 · pith_short_8: 6ZP5WALD

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/6ZP5WALDXCCUBKT2WIWDCECHUN \
  | 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: f65fdb0163b88540aa7ab22c311047a35cbbe4f8800866422ae6df84ce26968c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85ee2dfa17b1a11dc25be8c0fa10eb08de9157536eac9583834b89603fbcd198",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-12-05T17:08:31Z",
    "title_canon_sha256": "1ea71e8589e7eeb866275727dec6d49f9cbdd6e237c6e86c699bc85b41256c76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2068",
    "kind": "arxiv",
    "version": 1
  }
}