Pith Number

pith:DDYHZHWM

pith:2014:DDYHZHWMBGS27FLV4A5CNV2I2S

not attested not anchored not stored refs pending

Variations on an error sum function for the convergents of some powers of $e$

Jean-Paul Allouche, Thomas Baruchel

arxiv:1408.2206 v2 · 2014-08-10 · 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{DDYHZHWMBGS27FLV4A5CNV2I2S}

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	2026-05-18T02:45:21.238543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18f07c9ecc09a5af9575e03a26d748d4a1bd51bcee6aafaa36917bd01f4b3335

Aliases

arxiv: 1408.2206 · arxiv_version: 1408.2206v2 · doi: 10.48550/arxiv.1408.2206 · pith_short_12: DDYHZHWMBGS2 · pith_short_16: DDYHZHWMBGS27FLV · pith_short_8: DDYHZHWM

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/DDYHZHWMBGS27FLV4A5CNV2I2S \
  | 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: 18f07c9ecc09a5af9575e03a26d748d4a1bd51bcee6aafaa36917bd01f4b3335

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36a1be5f97e11d7922dd9090cbc34bb3173237a3f2ab0f1dcbd6184cef842602",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2014-08-10T09:42:03Z",
    "title_canon_sha256": "8bdc1ca786f76cc48018e06696ffefc5c9dccf6f388308bece0fbb669e5ff84a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2206",
    "kind": "arxiv",
    "version": 2
  }
}