Pith Number

pith:IWN2UM63

pith:2016:IWN2UM63G6J6UBAFGIKKGTALLT

not attested not anchored not stored refs pending

Positivity for convective semi-discretizations

David I. Ketcheson, Imre Fekete, Lajos L\'oczi

arxiv:1610.00228 v2 · 2016-10-02 · 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{IWN2UM63G6J6UBAFGIKKGTALLT}

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	2026-05-18T00:50:52.035941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

459baa33db3793ea04053214a34c0b5cf2996d8e3d8d349d57bbd3ea31e3168a

Aliases

arxiv: 1610.00228 · arxiv_version: 1610.00228v2 · doi: 10.48550/arxiv.1610.00228 · pith_short_12: IWN2UM63G6J6 · pith_short_16: IWN2UM63G6J6UBAF · pith_short_8: IWN2UM63

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/IWN2UM63G6J6UBAFGIKKGTALLT \
  | 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: 459baa33db3793ea04053214a34c0b5cf2996d8e3d8d349d57bbd3ea31e3168a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62b3be75c6c28912b72165afd33b2a8885658ce332a67967f295c0cda399ba52",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-10-02T06:01:04Z",
    "title_canon_sha256": "e10aca123813217a2d4b4c45c7aaeb57dba8b0277d6402940ff3b4a840dff9b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.00228",
    "kind": "arxiv",
    "version": 2
  }
}