Pith Number

pith:UP5MFKGJ

pith:2014:UP5MFKGJF2PXYULKSSGQWL66VY

not attested not anchored not stored refs pending

Virtual Element Methods for general second order elliptic problems on polygonal meshes

A. Russo, F. Brezzi, L. Beir\~ao da Veiga, L. D. Marini

arxiv:1412.2646 v1 · 2014-12-08 · 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{UP5MFKGJF2PXYULKSSGQWL66VY}

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	2026-05-18T02:31:49.090826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3fac2a8c92e9f7c516a948d0b2fdeae3ded202a6f30534d7747132d4c7b196f

Aliases

arxiv: 1412.2646 · arxiv_version: 1412.2646v1 · doi: 10.48550/arxiv.1412.2646 · pith_short_12: UP5MFKGJF2PX · pith_short_16: UP5MFKGJF2PXYULK · pith_short_8: UP5MFKGJ

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/UP5MFKGJF2PXYULKSSGQWL66VY \
  | 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: a3fac2a8c92e9f7c516a948d0b2fdeae3ded202a6f30534d7747132d4c7b196f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a54c593b330d38bb626d51c452503bae30379693dc7067c469355d4165d18a22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-12-08T16:18:42Z",
    "title_canon_sha256": "c56059228a386d0b46b40cda035fcade5fde4be8633183c058b022ec8601f672"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2646",
    "kind": "arxiv",
    "version": 1
  }
}