Pith Number

pith:2M6VH2X5

pith:2014:2M6VH2X5EGYKG2GIMWSBFKKXTY

not attested not anchored not stored refs pending

On an infinite series for $(1+1/x)^x$

Cristinel Mortici, Yue Hu

arxiv:1406.7814 v1 · 2014-06-30 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2M6VH2X5EGYKG2GIMWSBFKKXTY}

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	2026-05-18T02:48:44.099324Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d33d53eafd21b0a368c865a412a9579e3a1c926569b6c8f7d40ad9fba9a81111

Aliases

arxiv: 1406.7814 · arxiv_version: 1406.7814v1 · doi: 10.48550/arxiv.1406.7814 · pith_short_12: 2M6VH2X5EGYK · pith_short_16: 2M6VH2X5EGYKG2GI · pith_short_8: 2M6VH2X5

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/2M6VH2X5EGYKG2GIMWSBFKKXTY \
  | 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: d33d53eafd21b0a368c865a412a9579e3a1c926569b6c8f7d40ad9fba9a81111

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8d0522652c2933ac8225ddcf6ce8874e60c50b652883156b675f0075c297a25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-06-30T16:55:01Z",
    "title_canon_sha256": "da89ebd9e776acf0561a683395889df823b44fe0daeb69bc18732c1684a1a8ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.7814",
    "kind": "arxiv",
    "version": 1
  }
}