Pith Number

pith:NEXFYKKC

pith:2017:NEXFYKKCMJQJSFKHHPP2MK45KA

not attested not anchored not stored refs pending

An hp-adaptive strategy for elliptic problems

Hui Liu, Linbo Zhang, Tao Cui, Wei Leng

arxiv:1701.06920 v1 · 2017-01-23 · 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{NEXFYKKCMJQJSFKHHPP2MK45KA}

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	2026-05-18T00:52:10.144888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

692e5c294262609915473bdfa62b9d502b2978d0902cabeb2dceb9925fa2c7cf

Aliases

arxiv: 1701.06920 · arxiv_version: 1701.06920v1 · doi: 10.48550/arxiv.1701.06920 · pith_short_12: NEXFYKKCMJQJ · pith_short_16: NEXFYKKCMJQJSFKH · pith_short_8: NEXFYKKC

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/NEXFYKKCMJQJSFKHHPP2MK45KA \
  | 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: 692e5c294262609915473bdfa62b9d502b2978d0902cabeb2dceb9925fa2c7cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f29a9b28e311f2d6e18111fc6f60e2c89ffc86249ccabb6fe14d4be0671cefed",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2017-01-23T17:08:14Z",
    "title_canon_sha256": "f9b3ce0ef0fc50d6cae5462e45756ccb93d0390847a40c3844b123485f504859"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06920",
    "kind": "arxiv",
    "version": 1
  }
}