Pith Number

pith:T3E2A32K

pith:2019:T3E2A32KI64CBX6PGIPD7TITYF

not attested not anchored not stored refs pending

Dynamically affine maps in positive characteristic

Gunther Cornelissen, Jakub Byszewski, Lois van der Meijden, Marc Houben

arxiv:1904.04942 v1 · 2019-04-09 · math.NT · math.AG · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T3E2A32KI64CBX6PGIPD7TITYF}

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	2026-05-17T23:48:57.620211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ec9a06f4a47b820dfcf321e3fcd13c1433bd22e81d35337c7483f7532faa222

Aliases

arxiv: 1904.04942 · arxiv_version: 1904.04942v1 · doi: 10.48550/arxiv.1904.04942 · pith_short_12: T3E2A32KI64C · pith_short_16: T3E2A32KI64CBX6P · pith_short_8: T3E2A32K

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/T3E2A32KI64CBX6PGIPD7TITYF \
  | 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: 9ec9a06f4a47b820dfcf321e3fcd13c1433bd22e81d35337c7483f7532faa222

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "420e097382d407cdedf1937de3ef4a492929039b2549756a6fe7e87620d71519",
    "cross_cats_sorted": [
      "math.AG",
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2019-04-09T22:49:55Z",
    "title_canon_sha256": "807bb4985fd994003649c23c8ceb88ce13ea0390c279cfa41c45f9eaa210e561"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04942",
    "kind": "arxiv",
    "version": 1
  }
}