Pith Number

pith:UBAC7ZEI

pith:2015:UBAC7ZEIZ565R5BJWCKIGK52YF

not attested not anchored not stored refs pending

Error analysis of truncated expansion solutions to high-dimensional parabolic PDEs

Christoph Reisinger, Rasmus Wissmann

arxiv:1505.04639 v3 · 2015-05-18 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UBAC7ZEIZ565R5BJWCKIGK52YF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:00:10.263463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0402fe488cf7dd8f429b094832bbac15d488e58355208c3b581a359a2271377

Aliases

arxiv: 1505.04639 · arxiv_version: 1505.04639v3 · doi: 10.48550/arxiv.1505.04639 · pith_short_12: UBAC7ZEIZ565 · pith_short_16: UBAC7ZEIZ565R5BJ · pith_short_8: UBAC7ZEI

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/UBAC7ZEIZ565R5BJWCKIGK52YF \
  | 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: a0402fe488cf7dd8f429b094832bbac15d488e58355208c3b581a359a2271377

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea80b739e1b2845a24cf4a71cc80a582c469d0e5be46b738f5ed6f5d264b9d76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-05-18T13:49:41Z",
    "title_canon_sha256": "4c31ea9e6b3a8e823484b777feb63ba269fc0271c0cfb4446015a73d7eda50f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04639",
    "kind": "arxiv",
    "version": 3
  }
}