Pith Number

pith:TWSXJ7NO

pith:2012:TWSXJ7NOWF6ASQU7YOJHSHDDWM

not attested not anchored not stored refs pending

On generalized discrete PML optimized for propagative and evanescent waves

Murthy Guddati, Thomas Hagstrom, Vladimir Druskin

arxiv:1210.7862 v1 · 2012-10-29 · 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{TWSXJ7NOWF6ASQU7YOJHSHDDWM}

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	2026-05-18T03:41:57.948554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9da574fdaeb17c09429fc392791c63b30f6f2f9bd264ef7b227c552263878726

Aliases

arxiv: 1210.7862 · arxiv_version: 1210.7862v1 · doi: 10.48550/arxiv.1210.7862 · pith_short_12: TWSXJ7NOWF6A · pith_short_16: TWSXJ7NOWF6ASQU7 · pith_short_8: TWSXJ7NO

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/TWSXJ7NOWF6ASQU7YOJHSHDDWM \
  | 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: 9da574fdaeb17c09429fc392791c63b30f6f2f9bd264ef7b227c552263878726

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a35d95b5507c2a952b5713625eee6790c78fb6a6b2ffe4813fbf27c249f4ea7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-10-29T23:07:41Z",
    "title_canon_sha256": "7f3f8c9cb6dd57065839dc8bfad3760bdce3a401f46c5ac8bb498bea647e2f9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.7862",
    "kind": "arxiv",
    "version": 1
  }
}