Pith Number

pith:I2BCIT4M

pith:2016:I2BCIT4MAXGHWM5AJKVRMK5JQE

not attested not anchored not stored refs pending

A space-time Trefftz discontinuous Galerkin method for the acoustic wave equation in first-order formulation

Andrea Moiola, Ilaria Perugia

arxiv:1610.08002 v2 · 2016-10-25 · 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{I2BCIT4MAXGHWM5AJKVRMK5JQE}

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	2026-06-04T18:10:08.437594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4682244f8c05cc7b33a04aab162ba9813cc04e398eda56b235e419ab0a2e4606

Aliases

arxiv: 1610.08002 · arxiv_version: 1610.08002v2 · doi: 10.48550/arxiv.1610.08002 · pith_short_12: I2BCIT4MAXGH · pith_short_16: I2BCIT4MAXGHWM5A · pith_short_8: I2BCIT4M

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/I2BCIT4MAXGHWM5AJKVRMK5JQE \
  | 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: 4682244f8c05cc7b33a04aab162ba9813cc04e398eda56b235e419ab0a2e4606

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec524b7742c80cce369e4b5959d180ca398711bb4a8171a5200c780e4a667545",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-10-25T18:21:59Z",
    "title_canon_sha256": "fe6b86255bf14f2917a7faf36eea3b3c98fe058d46781bdb9d9a13253d6c3568"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.08002",
    "kind": "arxiv",
    "version": 2
  }
}