Pith Number

pith:VVIAYXYA

pith:2015:VVIAYXYAQSUWO6GETCBBQHXO56

not attested not anchored not stored refs pending

A Plane Wave Virtual Element Method for the Helmholtz Problem

Alessandro Russo, Ilaria Perugia, Paola Pietra

arxiv:1505.04965 v1 · 2015-05-19 · 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{VVIAYXYAQSUWO6GETCBBQHXO56}

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	2026-05-18T02:05:22.637558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad500c5f0084a96778c49882181eeeefba0c63f75e47ffee977cb70e21c7f3a7

Aliases

arxiv: 1505.04965 · arxiv_version: 1505.04965v1 · doi: 10.48550/arxiv.1505.04965 · pith_short_12: VVIAYXYAQSUW · pith_short_16: VVIAYXYAQSUWO6GE · pith_short_8: VVIAYXYA

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/VVIAYXYAQSUWO6GETCBBQHXO56 \
  | 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: ad500c5f0084a96778c49882181eeeefba0c63f75e47ffee977cb70e21c7f3a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34b9370a7100c6b5d0307d1cdc8ad6f3ed6f98dd956871bda1da9261049e5263",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-05-19T12:30:29Z",
    "title_canon_sha256": "9596cfc662fe570d8d5bc64b83a91c50a9126ceb60726281d35d7e43a0791ea3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04965",
    "kind": "arxiv",
    "version": 1
  }
}