Pith Number

pith:OFSBAIAE

pith:2015:OFSBAIAE6RVLA2ZUHQS4REIPO7

not attested not anchored not stored refs pending

The Gradient Superconvergence of Bilinear Finite Volume Element for Elliptic Problems

Lixin Tang, Tie Zhang

arxiv:1506.06362 v1 · 2015-06-21 · 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{OFSBAIAE6RVLA2ZUHQS4REIPO7}

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	2026-05-18T01:41:45.382280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7164102004f46ab06b343c25c8910f77f53cd68666ca6cdaa4d7505e22a5f501

Aliases

arxiv: 1506.06362 · arxiv_version: 1506.06362v1 · doi: 10.48550/arxiv.1506.06362 · pith_short_12: OFSBAIAE6RVL · pith_short_16: OFSBAIAE6RVLA2ZU · pith_short_8: OFSBAIAE

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/OFSBAIAE6RVLA2ZUHQS4REIPO7 \
  | 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: 7164102004f46ab06b343c25c8910f77f53cd68666ca6cdaa4d7505e22a5f501

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc040260be676765ae102b861a57285eec39495e63cef40c1bf212c49dc9f0bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-06-21T13:48:49Z",
    "title_canon_sha256": "75674beeaa8e9776c3eae01a08a46675250c6aa3caf618a801d3a16e868081ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.06362",
    "kind": "arxiv",
    "version": 1
  }
}