Pith Number

pith:QNFSIGD4

pith:2017:QNFSIGD4IMSFIZVXJ2NWOR74EE

not attested not anchored not stored refs pending

Computing bases of modular forms using the graded algebra structure

John Webb, Matthew Petty, Michael Lam, Noah McClelland

arxiv:1709.07475 v1 · 2017-09-21 · 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{QNFSIGD4IMSFIZVXJ2NWOR74EE}

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	2026-05-18T00:34:35.697595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

834b24187c43245466b74e9b6747fc2114a78a89b0d37f215a1440708680f08f

Aliases

arxiv: 1709.07475 · arxiv_version: 1709.07475v1 · doi: 10.48550/arxiv.1709.07475 · pith_short_12: QNFSIGD4IMSF · pith_short_16: QNFSIGD4IMSFIZVX · pith_short_8: QNFSIGD4

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/QNFSIGD4IMSFIZVXJ2NWOR74EE \
  | 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: 834b24187c43245466b74e9b6747fc2114a78a89b0d37f215a1440708680f08f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "663e5826673041a30f8822ae961c3891771e58f0b8391c0372b70833af06febd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-09-21T18:24:57Z",
    "title_canon_sha256": "c699b9a41ca1150d46a29fe49404359ac3a0806b8bbd202dc37d723c50b13b29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.07475",
    "kind": "arxiv",
    "version": 1
  }
}