Pith Number

pith:O22WMKAS

pith:2013:O22WMKASSO5FHM2ADE3GU7OZSX

not attested not anchored not stored refs pending

Adaptive Finite Element Approximations for Kohn-Sham Models

Aihui Zhou, Huajie Chen, Lianhua He, Xiaoying Dai, Xingao Gong

arxiv:1302.6896 v3 · 2013-02-27 · 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{O22WMKASSO5FHM2ADE3GU7OZSX}

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	2026-05-18T03:06:34.536673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76b566281293ba53b34019366a7dd995dfc0a2bd9aa2c97b4b1faea96fa40c1f

Aliases

arxiv: 1302.6896 · arxiv_version: 1302.6896v3 · doi: 10.48550/arxiv.1302.6896 · pith_short_12: O22WMKASSO5F · pith_short_16: O22WMKASSO5FHM2A · pith_short_8: O22WMKAS

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/O22WMKASSO5FHM2ADE3GU7OZSX \
  | 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: 76b566281293ba53b34019366a7dd995dfc0a2bd9aa2c97b4b1faea96fa40c1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d33324e355b216ec91a5e514d3fc373e7ef622620bee4e4737c875d9737ad4a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-02-27T16:09:48Z",
    "title_canon_sha256": "ca3697f53ff59dbdec3b341219dd794dd30c8acca3893e350b78c3699dc16598"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6896",
    "kind": "arxiv",
    "version": 3
  }
}