Pith Number

pith:UCFMI27R

pith:2015:UCFMI27RXAZ4NCEZHCK6GTC5GB

not attested not anchored not stored refs pending

Variations on Hermite methods for wave propagation

Arturo Vargas, Jesse Chan, Thomas Hagstrom, Tim Warburton

arxiv:1509.08012 v1 · 2015-09-26 · 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{UCFMI27RXAZ4NCEZHCK6GTC5GB}

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	2026-05-18T01:31:54.929373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a08ac46bf1b833c688993895e34c5d306e28989571556faa573b6334cb56c5d1

Aliases

arxiv: 1509.08012 · arxiv_version: 1509.08012v1 · doi: 10.48550/arxiv.1509.08012 · pith_short_12: UCFMI27RXAZ4 · pith_short_16: UCFMI27RXAZ4NCEZ · pith_short_8: UCFMI27R

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/UCFMI27RXAZ4NCEZHCK6GTC5GB \
  | 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: a08ac46bf1b833c688993895e34c5d306e28989571556faa573b6334cb56c5d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c3e59fa9860c27a34f1158fd9fd4fd5b18edbfa089a1efd363b9e95b6621930",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-09-26T17:34:46Z",
    "title_canon_sha256": "cc0c6a8fe80d4e1716ced5ebcab293c31ca868ac949a01aee606ba25075d5e40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08012",
    "kind": "arxiv",
    "version": 1
  }
}