Pith Number

pith:S2HWCRJ3

pith:2020:S2HWCRJ3EVOVTLSGGYZJHDZGH5

not attested not anchored not stored refs pending

An adaptive multiresolution interior penalty discontinuous Galerkin method for wave equations in second order form

Juntao Huang, Wei Guo, Yingda Cheng, Yuan Liu, Zhanjing Tao

arxiv:2004.08525 v1 · 2020-04-18 · 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{S2HWCRJ3EVOVTLSGGYZJHDZGH5}

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	2026-07-05T00:56:06.783291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

968f61453b255d59ae463632938f263f460c5bddbf3158e90e66816006401dba

Aliases

arxiv: 2004.08525 · arxiv_version: 2004.08525v1 · doi: 10.48550/arxiv.2004.08525 · pith_short_12: S2HWCRJ3EVOV · pith_short_16: S2HWCRJ3EVOVTLSG · pith_short_8: S2HWCRJ3

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/S2HWCRJ3EVOVTLSGGYZJHDZGH5 \
  | 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: 968f61453b255d59ae463632938f263f460c5bddbf3158e90e66816006401dba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c258e96a58073079692ff34961599312031ebac266ea9f2f60262d947923c0b5",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-04-18T05:11:39Z",
    "title_canon_sha256": "75f46d7f6b7b1bcd00f761c9af234c341686c1f0bc1613dcaf8eb71a16132e81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.08525",
    "kind": "arxiv",
    "version": 1
  }
}