Pith Number

pith:6IDQE2SY

pith:2016:6IDQE2SYZXHPTDHZEC7ZXJHEJR

not attested not anchored not stored refs pending

Fast Auxiliary Space Preconditioner for Linear Elasticity in Mixed Form

Jun Hu, Long Chen, Xuehai Huang

arxiv:1604.02568 v3 · 2016-04-09 · 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{6IDQE2SYZXHPTDHZEC7ZXJHEJR}

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	2026-05-18T01:14:12.384783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f207026a58cdcef98cf920bf9ba4e44c6d46d6e54322b5f5e919376e9259cf34

Aliases

arxiv: 1604.02568 · arxiv_version: 1604.02568v3 · doi: 10.48550/arxiv.1604.02568 · pith_short_12: 6IDQE2SYZXHP · pith_short_16: 6IDQE2SYZXHPTDHZ · pith_short_8: 6IDQE2SY

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/6IDQE2SYZXHPTDHZEC7ZXJHEJR \
  | 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: f207026a58cdcef98cf920bf9ba4e44c6d46d6e54322b5f5e919376e9259cf34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f9dcfdf22f2ae6c022874d9feaf144336e5a4c9f9ceca21bcb11373704d0781",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-04-09T14:20:50Z",
    "title_canon_sha256": "05ba3b23e54d62d541de34109b0a27959fe20cffb7ef7ec678bc2994530a3c7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02568",
    "kind": "arxiv",
    "version": 3
  }
}