Pith Number

pith:7YZL2HCW

pith:2017:7YZL2HCWHYTD3JGBZ6XPIFTNOU

not attested not anchored not stored refs pending

Ensemble Timestepping Algorithms for the Heat Equation with Uncertain Conductivity

Joseph A. Fiordilino

arxiv:1708.00893 v1 · 2017-08-02 · 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{7YZL2HCWHYTD3JGBZ6XPIFTNOU}

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	2026-05-18T00:38:41.227180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe32bd1c563e263da4c1cfaef4166d75241b76723f5f94c903552d956b5e0295

Aliases

arxiv: 1708.00893 · arxiv_version: 1708.00893v1 · doi: 10.48550/arxiv.1708.00893 · pith_short_12: 7YZL2HCWHYTD · pith_short_16: 7YZL2HCWHYTD3JGB · pith_short_8: 7YZL2HCW

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/7YZL2HCWHYTD3JGBZ6XPIFTNOU \
  | 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: fe32bd1c563e263da4c1cfaef4166d75241b76723f5f94c903552d956b5e0295

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4bfddd0b202a433ee3a8503865c4daf6a8e37f02096296786ac9f8e293c44f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-08-02T18:57:09Z",
    "title_canon_sha256": "574eba375bad3dbb8e976ca8d2ea05fc609ed99af5c51bb1834b820b2627cf42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.00893",
    "kind": "arxiv",
    "version": 1
  }
}