Pith Number

pith:MHET53C5

pith:2016:MHET53C553NAPGKSGHDFJWCURE

not attested not anchored not stored refs pending

A new asymptotic expansion series for the constant pi

B. M. Quine, S. M. Abrarov

arxiv:1603.01462 v1 · 2016-02-28 · math.GM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MHET53C553NAPGKSGHDFJWCURE}

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	2026-05-18T01:19:35.975906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61c93eec5deeda07995231c654d854890ab4e3cb02151503315feabd255aa94b

Aliases

arxiv: 1603.01462 · arxiv_version: 1603.01462v1 · doi: 10.48550/arxiv.1603.01462 · pith_short_12: MHET53C553NA · pith_short_16: MHET53C553NAPGKS · pith_short_8: MHET53C5

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/MHET53C553NAPGKSGHDFJWCURE \
  | 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: 61c93eec5deeda07995231c654d854890ab4e3cb02151503315feabd255aa94b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58fe896df00807b3e87f91d678aa9e7f5e3949ea7e320a23bb412165db804b99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2016-02-28T06:52:58Z",
    "title_canon_sha256": "5ee408e34d89a8c1d9090cd6a5844df3e1299526979955d6e1f9fcf08d7724ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.01462",
    "kind": "arxiv",
    "version": 1
  }
}