Pith Number

pith:TKCNU3VR

pith:2018:TKCNU3VR3XQAKO5YRB3PHISZUR

not attested not anchored not stored refs pending

An Alternative Explicit Expression of the Kernel of the One Dimensional Heat Equation with Dirichlet Conditions

Alberto Cabada

arxiv:1807.02476 v1 · 2018-07-06 · 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{TKCNU3VR3XQAKO5YRB3PHISZUR}

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	2026-05-18T00:11:21.901129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a84da6eb1dde0053bb88876f3a259a476cc7b6b30c75741b4af4b9338c12723

Aliases

arxiv: 1807.02476 · arxiv_version: 1807.02476v1 · doi: 10.48550/arxiv.1807.02476 · pith_short_12: TKCNU3VR3XQA · pith_short_16: TKCNU3VR3XQAKO5Y · pith_short_8: TKCNU3VR

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/TKCNU3VR3XQAKO5YRB3PHISZUR \
  | 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: 9a84da6eb1dde0053bb88876f3a259a476cc7b6b30c75741b4af4b9338c12723

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c4def36371e7411eaa5290fd295d0be1cbd3cb53002e418fa3826e7d51467cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-07-06T16:29:00Z",
    "title_canon_sha256": "b91195af1db305be232ddfe277b88c6e05b3ba980e302d096c48652ff57f2189"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02476",
    "kind": "arxiv",
    "version": 1
  }
}