Pith Number

pith:I6SPECFH

pith:2023:I6SPECFHP65WMTJWAMIBUI4K3Y

not attested not anchored not stored refs pending

Complex-plane singularity dynamics for blow up in a nonlinear heat equation: analysis and computation

J.A.C. Weideman, J.R. King, M. Fasondini

arxiv:2308.03452 v1 · 2023-08-07 · math.AP · cs.NA · math.CA · math.CV · 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{I6SPECFHP65WMTJWAMIBUI4K3Y}

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	2026-07-05T06:38:17.249659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47a4f208a77fbb664d3603101a238ade229b81535d122ae664ab39ea93dd6ef6

Aliases

arxiv: 2308.03452 · arxiv_version: 2308.03452v1 · doi: 10.48550/arxiv.2308.03452 · pith_short_12: I6SPECFHP65W · pith_short_16: I6SPECFHP65WMTJW · pith_short_8: I6SPECFH

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/I6SPECFHP65WMTJWAMIBUI4K3Y \
  | 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: 47a4f208a77fbb664d3603101a238ade229b81535d122ae664ab39ea93dd6ef6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb937127c182356e351f26f42c9b03fe0c002305d8a98f97af0d17b4f9034702",
    "cross_cats_sorted": [
      "cs.NA",
      "math.CA",
      "math.CV",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2023-08-07T10:14:10Z",
    "title_canon_sha256": "6ee010aa860d7ab4b46bbf6de97b39b9502cec04ac8b2c34d443b8ca1d4072a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.03452",
    "kind": "arxiv",
    "version": 1
  }
}