Pith Number

pith:TR37FYGJ

pith:2017:TR37FYGJZJ2KMX7EAZL3BLAG5F

not attested not anchored not stored refs pending

Numerical solution of time-dependent problems with fractional power elliptic operator

Petr N. Vabishchevich

arxiv:1704.03851 v1 · 2017-04-12 · cs.NA · 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{TR37FYGJZJ2KMX7EAZL3BLAG5F}

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	2026-05-18T00:16:32.274697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c77f2e0c9ca74a65fe40657b0ac06e97ea05313d746e9d56a4fb4e66f54a93b

Aliases

arxiv: 1704.03851 · arxiv_version: 1704.03851v1 · doi: 10.48550/arxiv.1704.03851 · pith_short_12: TR37FYGJZJ2K · pith_short_16: TR37FYGJZJ2KMX7E · pith_short_8: TR37FYGJ

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/TR37FYGJZJ2KMX7EAZL3BLAG5F \
  | 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: 9c77f2e0c9ca74a65fe40657b0ac06e97ea05313d746e9d56a4fb4e66f54a93b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "085c578c7e39118628b54a16a228813a3916dbd4dbec4afa8a0c216d848a57f9",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2017-04-12T17:35:34Z",
    "title_canon_sha256": "bc583b3530f88f9492d8204dd8c51266af34fd2da4198d56a182efc52b6f64c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03851",
    "kind": "arxiv",
    "version": 1
  }
}