Pith Number

pith:ADG3MFEC

pith:2014:ADG3MFECYT3Z52FNFAOK5LOEWO

not attested not anchored not stored refs pending

Preconditioning the Restarted and Shifted Block FOM Algorithm for Matrix Exponential Computation

Gang Wu, Hong-kui Pang, Jiang-li Sun

arxiv:1405.0707 v1 · 2014-05-04 · 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{ADG3MFECYT3Z52FNFAOK5LOEWO}

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	2026-05-18T02:52:40.854735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00cdb61482c4f79ee8ad281caeadc4b39a230c26aae58f54a04b824a30f3fdfe

Aliases

arxiv: 1405.0707 · arxiv_version: 1405.0707v1 · doi: 10.48550/arxiv.1405.0707 · pith_short_12: ADG3MFECYT3Z · pith_short_16: ADG3MFECYT3Z52FN · pith_short_8: ADG3MFEC

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/ADG3MFECYT3Z52FNFAOK5LOEWO \
  | 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: 00cdb61482c4f79ee8ad281caeadc4b39a230c26aae58f54a04b824a30f3fdfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1245232614d6e5c710caaa957ed8ba3eb4436dd5cfbfb9409bc482a95754be9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-05-04T15:35:06Z",
    "title_canon_sha256": "91ed203fb9d41d26f0b21f66852e113507c02498c31205a5b9b394f7419355ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.0707",
    "kind": "arxiv",
    "version": 1
  }
}