Pith Number

pith:LDNADXCM

pith:2012:LDNADXCMQXYVFJEDNH5DZ7R7XM

not attested not anchored not stored refs pending

Linearized polynomial maps over finite fields

Joost Berson

arxiv:1201.1137 v2 · 2012-01-05 · math.AC · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LDNADXCMQXYVFJEDNH5DZ7R7XM}

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	2026-05-18T03:43:52.638277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58da01dc4c85f152a48369fa3cfe3fbb31c1fc8cfc662d3983ce8dd5e5da63e5

Aliases

arxiv: 1201.1137 · arxiv_version: 1201.1137v2 · doi: 10.48550/arxiv.1201.1137 · pith_short_12: LDNADXCMQXYV · pith_short_16: LDNADXCMQXYVFJED · pith_short_8: LDNADXCM

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/LDNADXCMQXYVFJEDNH5DZ7R7XM \
  | 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: 58da01dc4c85f152a48369fa3cfe3fbb31c1fc8cfc662d3983ce8dd5e5da63e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19f47cc336c532801ee4fa4a4a2c40d2aa264c2e29024785627071b9ea87b365",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2012-01-05T11:53:44Z",
    "title_canon_sha256": "a43d1a0dbdca72ffe3c536e3b03c9f396fa45bfc8a3a31da9b8766de1177d42a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1137",
    "kind": "arxiv",
    "version": 2
  }
}