Pith Number

pith:L4YIHRGU

pith:2017:L4YIHRGUM423TV64HIG6AG4SY4

not attested not anchored not stored refs pending

Scalable computation of Jordan chains

Adi Pick, Felipe Hern\'andez, Steven G. Johnson

arxiv:1704.05837 v2 · 2017-04-19 · math.NA · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L4YIHRGUM423TV64HIG6AG4SY4}

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	2026-05-18T00:45:53.754705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f3083c4d46735b9d7dc3a0de01b92c73769a5feb9e91f73f0b9dbc7a5c0e694

Aliases

arxiv: 1704.05837 · arxiv_version: 1704.05837v2 · doi: 10.48550/arxiv.1704.05837 · pith_short_12: L4YIHRGUM423 · pith_short_16: L4YIHRGUM423TV64 · pith_short_8: L4YIHRGU

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/L4YIHRGUM423TV64HIG6AG4SY4 \
  | 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: 5f3083c4d46735b9d7dc3a0de01b92c73769a5feb9e91f73f0b9dbc7a5c0e694

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32b6f930f6889f80e2dad0c2a840b0c7bd5c846a8e09fbca70d3f7e64c3358fc",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-04-19T17:45:15Z",
    "title_canon_sha256": "1cb5ce2b3739c3712855132ce7a8f86933ef49eea734ab7489c1be4dade78b22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05837",
    "kind": "arxiv",
    "version": 2
  }
}