Pith Number

pith:33K2RNNQ

pith:2017:33K2RNNQXK5WNYTFBOEICF377W

not attested not anchored not stored refs pending

Trigonometric integrators for quasilinear wave equations

Fr\'ed\'eric Rousset, Jeremy L. Marzuola, Jianfeng Lu, Katharina Schratz, Ludwig Gauckler

arxiv:1702.02981 v3 · 2017-02-09 · 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{33K2RNNQXK5WNYTFBOEICF377W}

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	2026-05-18T00:36:43.484730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ded5a8b5b0babb66e2650b8881177ffd8a0b9f8a918763856e330ae6675581c6

Aliases

arxiv: 1702.02981 · arxiv_version: 1702.02981v3 · doi: 10.48550/arxiv.1702.02981 · pith_short_12: 33K2RNNQXK5W · pith_short_16: 33K2RNNQXK5WNYTF · pith_short_8: 33K2RNNQ

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/33K2RNNQXK5WNYTFBOEICF377W \
  | 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: ded5a8b5b0babb66e2650b8881177ffd8a0b9f8a918763856e330ae6675581c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9653b086ee1a7d88d8b7984c02ce7a29616c2c1eeaded689c8e78061b0aca3d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-02-09T20:59:01Z",
    "title_canon_sha256": "4b9cd0cfd904434fb591363885b85a74574e3ee2fdc261dcfb574000c6434ed9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02981",
    "kind": "arxiv",
    "version": 3
  }
}