Pith Number

pith:5I34IKA2

pith:2016:5I34IKA2R2JEYVVUNPRWQTQCSX

not attested not anchored not stored refs pending

Virtual Element Methods for hyperbolic problems on polygonal meshes

Giuseppe Vacca

arxiv:1602.05781 v1 · 2016-02-18 · 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{5I34IKA2R2JEYVVUNPRWQTQCSX}

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	2026-05-18T01:20:23.228029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea37c4281a8e924c56b46be3684e0295f3b9531de8dc6cfa05b1aa8ec9643445

Aliases

arxiv: 1602.05781 · arxiv_version: 1602.05781v1 · doi: 10.48550/arxiv.1602.05781 · pith_short_12: 5I34IKA2R2JE · pith_short_16: 5I34IKA2R2JEYVVU · pith_short_8: 5I34IKA2

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/5I34IKA2R2JEYVVUNPRWQTQCSX \
  | 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: ea37c4281a8e924c56b46be3684e0295f3b9531de8dc6cfa05b1aa8ec9643445

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e26fd2dca5b9b665d0a1ad347d20e9e0393856234e3ce4e39fd68af775a70c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-02-18T12:47:22Z",
    "title_canon_sha256": "0bec0f58087990a40f22bbfe9ae18fa03f62271fd4592ceb43df72609eaba553"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05781",
    "kind": "arxiv",
    "version": 1
  }
}