Pith Number

pith:3NCAH7CC

pith:2018:3NCAH7CC2JQZ3Q23KM2FJNJYXW

not attested not anchored not stored refs pending

Some Nontrivial Properties of a Formula for Compound Interest

Isaac M. Sonin, Mark Whitmeyer

arxiv:1809.10566 v1 · 2018-09-27 · econ.GN · q-fin.EC · q-fin.GN · q-fin.MF · q-fin.PM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3NCAH7CC2JQZ3Q23KM2FJNJYXW}

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	2026-05-18T00:04:38.082774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db4403fc42d2619dc35b533454b538bd88ebb95d7c14d3dd048577a7e47783b3

Aliases

arxiv: 1809.10566 · arxiv_version: 1809.10566v1 · doi: 10.48550/arxiv.1809.10566 · pith_short_12: 3NCAH7CC2JQZ · pith_short_16: 3NCAH7CC2JQZ3Q23 · pith_short_8: 3NCAH7CC

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/3NCAH7CC2JQZ3Q23KM2FJNJYXW \
  | 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: db4403fc42d2619dc35b533454b538bd88ebb95d7c14d3dd048577a7e47783b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1a5ac2e4f5f8c1151029a86115505a7aecb3ff4c7cf77f70f97a29780db6560",
    "cross_cats_sorted": [
      "q-fin.EC",
      "q-fin.GN",
      "q-fin.MF",
      "q-fin.PM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.GN",
    "submitted_at": "2018-09-27T15:15:22Z",
    "title_canon_sha256": "92ed7f138f0e5c47c5ab2715e28a07de708836d0efd8e712c2e6b36a7b7f26be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10566",
    "kind": "arxiv",
    "version": 1
  }
}