Pith Number

pith:MN44XDMV

pith:2014:MN44XDMVGJRBSBJOYWGI2QAC5R

not attested not anchored not stored refs pending

"How many $1$'s are needed?" revisited

J. Arias de Reyna, J. van de Lune

arxiv:1404.1850 v1 · 2014-04-07 · 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{MN44XDMVGJRBSBJOYWGI2QAC5R}

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	2026-05-18T02:54:40.052150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6379cb8d95326219052ec58c8d4002ec4dca744e3aaf9b1379c61ae0ae3b5cd9

Aliases

arxiv: 1404.1850 · arxiv_version: 1404.1850v1 · doi: 10.48550/arxiv.1404.1850 · pith_short_12: MN44XDMVGJRB · pith_short_16: MN44XDMVGJRBSBJO · pith_short_8: MN44XDMV

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/MN44XDMVGJRBSBJOYWGI2QAC5R \
  | 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: 6379cb8d95326219052ec58c8d4002ec4dca744e3aaf9b1379c61ae0ae3b5cd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6918d09869f0be3865eb59a2a450f70b2c348790e89c93af89a1ed232f236e7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2014-04-07T16:51:48Z",
    "title_canon_sha256": "5087ddf8586bbd4a13f56ab4bf6f40a6bac7b982cdfa581a39930d960e416794"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1850",
    "kind": "arxiv",
    "version": 1
  }
}