Pith Number

pith:ICJ5WXWG

pith:2015:ICJ5WXWGF4VZTVGGBSGRMZXJER

not attested not anchored not stored refs pending

Eigenschemes and the Jordan canonical form

Chris Peterson, David Eklund, Hirotachi Abo, Thomas Kahle

arxiv:1506.08257 v3 · 2015-06-27 · math.AG · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ICJ5WXWGF4VZTVGGBSGRMZXJER}

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	2026-05-18T01:17:20.391698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4093db5ec62f2b99d4c60c8d1666e924480ac10f147685c21cf4d9acec5f578b

Aliases

arxiv: 1506.08257 · arxiv_version: 1506.08257v3 · doi: 10.48550/arxiv.1506.08257 · pith_short_12: ICJ5WXWGF4VZ · pith_short_16: ICJ5WXWGF4VZTVGG · pith_short_8: ICJ5WXWG

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/ICJ5WXWGF4VZTVGGBSGRMZXJER \
  | 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: 4093db5ec62f2b99d4c60c8d1666e924480ac10f147685c21cf4d9acec5f578b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf7f2eb9426e3aba2ef7112f35aaf2c636a6fd84d3997881392e5990a77807d7",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-06-27T04:27:37Z",
    "title_canon_sha256": "c98d9b6c18aa2f391cd0e002e733a6e553c422da80e1b660a01b67df882ea3fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08257",
    "kind": "arxiv",
    "version": 3
  }
}