Pith Number

pith:WZ7TQIUG

pith:2015:WZ7TQIUGLV44BDRBOQCNSHPQSQ

not attested not anchored not stored refs pending

On transcendental numbers: new results and a little history

Florin F. Nichita, Solomon Marcus

arxiv:1502.05637 v2 · 2015-02-19 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WZ7TQIUGLV44BDRBOQCNSHPQSQ}

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	2026-05-18T00:28:57.297613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b67f3822865d79c08e217404d91df0940e68df672606d5497133d66e49c6605a

Aliases

arxiv: 1502.05637 · arxiv_version: 1502.05637v2 · doi: 10.48550/arxiv.1502.05637 · pith_short_12: WZ7TQIUGLV44 · pith_short_16: WZ7TQIUGLV44BDRB · pith_short_8: WZ7TQIUG

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/WZ7TQIUGLV44BDRBOQCNSHPQSQ \
  | 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: b67f3822865d79c08e217404d91df0940e68df672606d5497133d66e49c6605a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1475cb4885d4623cb23ba82dbd0cfd6fa765d70fa80eeafbe2f9f8fd446dd4d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2015-02-19T17:26:31Z",
    "title_canon_sha256": "e9a2c72d8f2d8f2c63d17b0a9d024de5f392f85341b7569e6bbd519ca4136307"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05637",
    "kind": "arxiv",
    "version": 2
  }
}