Pith Number

pith:WEOQSP3M

pith:2014:WEOQSP3MJ3TG6UWWECBQK2GYXA

not attested not anchored not stored refs pending

Modified 1D elastic wave equations that retain time synchronization under spatial coordinate transformations

Ruiwen Yao, Zhihai Xiang

arxiv:1404.2838 v2 · 2014-04-09 · physics.class-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WEOQSP3MJ3TG6UWWECBQK2GYXA}

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	2026-05-18T00:20:27.943566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b11d093f6c4ee66f52d620830568d8b827012716ae2bb4a07ca514232b073279

Aliases

arxiv: 1404.2838 · arxiv_version: 1404.2838v2 · doi: 10.48550/arxiv.1404.2838 · pith_short_12: WEOQSP3MJ3TG · pith_short_16: WEOQSP3MJ3TG6UWW · pith_short_8: WEOQSP3M

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/WEOQSP3MJ3TG6UWWECBQK2GYXA \
  | 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: b11d093f6c4ee66f52d620830568d8b827012716ae2bb4a07ca514232b073279

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20627b834381a3b6f447064be470df5e21e942d6a9ccb611bd59ca422e9903e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2014-04-09T13:43:51Z",
    "title_canon_sha256": "cb42738ad86eddd19e0a853e8bcb78d205edac3f095c304df224fed292ced211"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2838",
    "kind": "arxiv",
    "version": 2
  }
}