Pith Number

pith:73D4OP5N

pith:2014:73D4OP5NVZU6JUK2FIZ6SWSUO4

not attested not anchored not stored refs pending

A fully discrete Calderon Calculus for the two-dimensional elastic wave equation

Francisco-Javier Sayas, Tonatiuh Sanchez-Vizuet, Victor Dominguez

arxiv:1409.7653 v1 · 2014-09-26 · 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{73D4OP5NVZU6JUK2FIZ6SWSUO4}

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	2026-06-04T16:08:47.078149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fec7c73fadae69e4d15a2a33e95a547734bf20f64d053941b82fc46efc322e03

Aliases

arxiv: 1409.7653 · arxiv_version: 1409.7653v1 · doi: 10.48550/arxiv.1409.7653 · pith_short_12: 73D4OP5NVZU6 · pith_short_16: 73D4OP5NVZU6JUK2 · pith_short_8: 73D4OP5N

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/73D4OP5NVZU6JUK2FIZ6SWSUO4 \
  | 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: fec7c73fadae69e4d15a2a33e95a547734bf20f64d053941b82fc46efc322e03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b0c93bb45dfb356f7e16a72ba0290f28cc54ba05b288beaec5131fcf34e7423",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-09-26T17:58:56Z",
    "title_canon_sha256": "53f37244b14e46b68eb9162d748072afdd193a3a2ee7269839f6671529fd4a35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7653",
    "kind": "arxiv",
    "version": 1
  }
}