Pith Number

pith:JEVSEXJH

pith:2018:JEVSEXJHDP6KSPF54MGOY3XHZM

not attested not anchored not stored refs pending

Numerical Approximation of Fractional Powers of Elliptic Operators

Beiping Duan, Joeseph Pasciak, Raytcho Lazarov

arxiv:1803.10055 v1 · 2018-03-27 · 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{JEVSEXJHDP6KSPF54MGOY3XHZM}

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	2026-05-18T00:20:00.599119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

492b225d271bfca93cbde30cec6ee7cb192155c09e605e41dbbd1553ed3b0eb7

Aliases

arxiv: 1803.10055 · arxiv_version: 1803.10055v1 · doi: 10.48550/arxiv.1803.10055 · pith_short_12: JEVSEXJHDP6K · pith_short_16: JEVSEXJHDP6KSPF5 · pith_short_8: JEVSEXJH

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/JEVSEXJHDP6KSPF54MGOY3XHZM \
  | 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: 492b225d271bfca93cbde30cec6ee7cb192155c09e605e41dbbd1553ed3b0eb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26b761f10898b8c758fe7af87bcd80bd1cd2a5ffbfc25db4694d35c676374b13",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-27T13:01:58Z",
    "title_canon_sha256": "401701e2eb9fc56cb2c0b371431bfd13ec57ff56b306b16fa21386913bc64b92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10055",
    "kind": "arxiv",
    "version": 1
  }
}