Pith Number

pith:ZDCNIXE5

pith:2017:ZDCNIXE5KTRIJPF2TY3S34QNIK

not attested not anchored not stored refs pending

A unified approach to the design and analysis of AMG

Hongxuan Zhang, Jinchao Xu, Ludmil Zikatanov

arxiv:1705.07806 v1 · 2017-05-22 · 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{ZDCNIXE5KTRIJPF2TY3S34QNIK}

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	2026-05-18T00:44:04.510149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8c4d45c9d54e284bcba9e372df20d42b95ea3972d634f2ae821cdbbfbcd5fcb

Aliases

arxiv: 1705.07806 · arxiv_version: 1705.07806v1 · doi: 10.48550/arxiv.1705.07806 · pith_short_12: ZDCNIXE5KTRI · pith_short_16: ZDCNIXE5KTRIJPF2 · pith_short_8: ZDCNIXE5

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/ZDCNIXE5KTRIJPF2TY3S34QNIK \
  | 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: c8c4d45c9d54e284bcba9e372df20d42b95ea3972d634f2ae821cdbbfbcd5fcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "717193f784118c9c46d72f8e76c841a32a621e40412dbb63c7b1a1309694e4b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-05-22T15:26:48Z",
    "title_canon_sha256": "06ca6144453da5a5b78732a524fefcb0f64cb03a14e402ec6dcb92827f296305"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07806",
    "kind": "arxiv",
    "version": 1
  }
}