Pith Number

pith:P2C6DTK3

pith:2016:P2C6DTK34MEFQ65VAZMODNWLML

not attested not anchored not stored refs pending

Adaptive RBF-FD Method for Elliptic Problems with Point Singularities in 2D

Dang Thi Oanh, Hoang Xuan Phu, Oleg Davydov

arxiv:1603.07838 v2 · 2016-03-25 · math.NA · cs.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{P2C6DTK34MEFQ65VAZMODNWLML}

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	2026-06-04T17:10:07.940489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e85e1cd5be308587bb50658e1b6cb62e68f913adda02399221cdedac9842c95

Aliases

arxiv: 1603.07838 · arxiv_version: 1603.07838v2 · doi: 10.48550/arxiv.1603.07838 · pith_short_12: P2C6DTK34MEF · pith_short_16: P2C6DTK34MEFQ65V · pith_short_8: P2C6DTK3

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/P2C6DTK34MEFQ65VAZMODNWLML \
  | 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: 7e85e1cd5be308587bb50658e1b6cb62e68f913adda02399221cdedac9842c95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17c93bef2c4e4bbdf84230d772da1536cb6ba5f73308e5ad088f88c495dc6a33",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-03-25T07:59:04Z",
    "title_canon_sha256": "45d068a294ad91ce742d9e8adce8afd994581dc54b912d6cd5426f2e1fb0a9fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.07838",
    "kind": "arxiv",
    "version": 2
  }
}