Pith Number

pith:H7XVQFU4

pith:2014:H7XVQFU4CYRSD4DA6UQMCY46MS

not attested not anchored not stored refs pending

Convergence of a crystalline algorithm for the heat equation in one dimension and for the motion of a graph by weighted curvature

Pedro M. Gir\~ao, Robert V. Kohn

arxiv:1407.5942 v1 · 2014-07-22 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H7XVQFU4CYRSD4DA6UQMCY46MS}

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	2026-05-18T02:47:06.347175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fef58169c162321f060f520c1639e64a5ffd9bcc2c66b4730bfb5d11292859b

Aliases

arxiv: 1407.5942 · arxiv_version: 1407.5942v1 · doi: 10.48550/arxiv.1407.5942 · pith_short_12: H7XVQFU4CYRS · pith_short_16: H7XVQFU4CYRSD4DA · pith_short_8: H7XVQFU4

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/H7XVQFU4CYRSD4DA6UQMCY46MS \
  | 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: 3fef58169c162321f060f520c1639e64a5ffd9bcc2c66b4730bfb5d11292859b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eebb5379ade4899b8ad4537a54989a9c8e90e6c8081276dc4bd98d927f6ad3c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-07-22T17:09:13Z",
    "title_canon_sha256": "2cbfafa79aa4dfe8dff9c6e78be486af530b39359811952ebdf3cc18672db2a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5942",
    "kind": "arxiv",
    "version": 1
  }
}