Pith Number

pith:GEKGG4CE

pith:2015:GEKGG4CEPQGTVE6BAFDDYZYYUQ

not attested not anchored not stored refs pending

The Cauchy-Dirichlet problem for a general class of parabolic equations

Casimir Lindfors, Paolo Baroni

arxiv:1509.01359 v1 · 2015-09-04 · 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{GEKGG4CEPQGTVE6BAFDDYZYYUQ}

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	2026-05-18T01:33:57.874367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31146370447c0d3a93c101463c6718a421b4cc8dacdd0ea5e8716b65e23d6ba1

Aliases

arxiv: 1509.01359 · arxiv_version: 1509.01359v1 · doi: 10.48550/arxiv.1509.01359 · pith_short_12: GEKGG4CEPQGT · pith_short_16: GEKGG4CEPQGTVE6B · pith_short_8: GEKGG4CE

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/GEKGG4CEPQGTVE6BAFDDYZYYUQ \
  | 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: 31146370447c0d3a93c101463c6718a421b4cc8dacdd0ea5e8716b65e23d6ba1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d50b70d976ffd502af654187d556e6e6ce4de308aa4f94675f6feebc40ab312d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-09-04T08:07:56Z",
    "title_canon_sha256": "6bb9ebe57d0ba4b97827338e3d4a231867aaeb8fdc20dcd7c7e5e5ba15a28ac7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.01359",
    "kind": "arxiv",
    "version": 1
  }
}