Pith Number

pith:3U25722Y

pith:2020:3U25722YG2GOPTXWXIZ35VA4HU

not attested not anchored not stored refs pending

Computing classical modular forms

Alex J. Best, Andrew R. Booker, Andrew V. Sutherland, David Lowry-Duda, David Roe, Edgar Costa, John Cremona, John Voight, Jonathan Bober, Maarten Derickx, Min Lee

arxiv:2002.04717 v4 · 2020-02-11 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3U25722YG2GOPTXWXIZ35VA4HU}

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	2026-07-05T04:27:03.389074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd35dfeb58368ce7cef6ba33bed41c3d1f61b844411e7f872b33d547aebc33cd

Aliases

arxiv: 2002.04717 · arxiv_version: 2002.04717v4 · doi: 10.48550/arxiv.2002.04717 · pith_short_12: 3U25722YG2GO · pith_short_16: 3U25722YG2GOPTXW · pith_short_8: 3U25722Y

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/3U25722YG2GOPTXWXIZ35VA4HU \
  | 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: dd35dfeb58368ce7cef6ba33bed41c3d1f61b844411e7f872b33d547aebc33cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c33dc80caa363b7088b0bda6186966b332099d8de84cc3251140f774eeccd5bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2020-02-11T22:23:19Z",
    "title_canon_sha256": "6a2f84b62088620e70edbd6048af9896715c41f7ce66a53b893500eba952c9ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.04717",
    "kind": "arxiv",
    "version": 4
  }
}