Pith Number

pith:HJ23JEUP

pith:2017:HJ23JEUPCVVQXAFGS3K6ZPPLUM

not attested not anchored not stored refs pending

On Some Sufficient Conditions for Strong Ellipticity

Hong Yan, Liqun Qi, Weiyang Ding

arxiv:1705.05081 v2 · 2017-05-15 · math.NA

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HJ23JEUPCVVQXAFGS3K6ZPPLUM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:43:34.838380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a75b4928f156b0b80a696d5ecbdeba3177dd5a94405cd5fe880bf69364bd4e0

Aliases

arxiv: 1705.05081 · arxiv_version: 1705.05081v2 · doi: 10.48550/arxiv.1705.05081 · pith_short_12: HJ23JEUPCVVQ · pith_short_16: HJ23JEUPCVVQXAFG · pith_short_8: HJ23JEUP

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/HJ23JEUPCVVQXAFGS3K6ZPPLUM \
  | 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: 3a75b4928f156b0b80a696d5ecbdeba3177dd5a94405cd5fe880bf69364bd4e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c89fc310b02857780bf6d0ae2b69741f56951a950acfa0c83ad574ef8cbcab7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-05-15T06:09:56Z",
    "title_canon_sha256": "efd13741a07d8fc3fe27d02398793cbe2c96e912eefba6173929e6f3a7ca205f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05081",
    "kind": "arxiv",
    "version": 2
  }
}