Pith Number

pith:ES2453H4

pith:2017:ES2453H4CD3CD6QVD4PD22K4Z4

not attested not anchored not stored refs pending

A time-spectral algorithm for fractional wave problems

Binjie Li, Hao Luo, Xiaoping Xie

arxiv:1708.02720 v1 · 2017-08-09 · 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{ES2453H4CD3CD6QVD4PD22K4Z4}

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	2026-05-18T00:38:19.788643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24b5ceecfc10f621fa151f1e3d695ccf017ba61b9a86d2797f330b11273ab9eb

Aliases

arxiv: 1708.02720 · arxiv_version: 1708.02720v1 · doi: 10.48550/arxiv.1708.02720 · pith_short_12: ES2453H4CD3C · pith_short_16: ES2453H4CD3CD6QV · pith_short_8: ES2453H4

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/ES2453H4CD3CD6QVD4PD22K4Z4 \
  | 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: 24b5ceecfc10f621fa151f1e3d695ccf017ba61b9a86d2797f330b11273ab9eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b32ee9affb5f9fc38e933b5b08c3bd2b34ce27758ef9181fbc390025308e496",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-08-09T05:16:48Z",
    "title_canon_sha256": "2044581d7f33259b107e32d8e81e2b99b0d8086445db1a7199c1dce31af4e91e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02720",
    "kind": "arxiv",
    "version": 1
  }
}