Pith Number

pith:W3CSUSWE

pith:2026:W3CSUSWEPE7WKZXGKBMIA4QAJO

not attested not anchored not stored refs pending

Finite difference methods for a continuous-time heterogeneous agent model with recursive utility

Qing Tang, Yves Achdou

arxiv:2606.23408 v1 · 2026-06-22 · math.OC · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W3CSUSWEPE7WKZXGKBMIA4QAJO}

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	2026-06-23T03:14:19.257772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6c52a4ac4793f6566e650588072004b978694c9a6da44ec0f0c66b5bc484fe7

Aliases

arxiv: 2606.23408 · arxiv_version: 2606.23408v1 · doi: 10.48550/arxiv.2606.23408 · pith_short_12: W3CSUSWEPE7W · pith_short_16: W3CSUSWEPE7WKZXG · pith_short_8: W3CSUSWE

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/W3CSUSWEPE7WKZXGKBMIA4QAJO \
  | 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: b6c52a4ac4793f6566e650588072004b978694c9a6da44ec0f0c66b5bc484fe7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84d72b48b0c21524b37fa7ec85b8c57d7b8740e0b28a87d7c03397e46d85961a",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-06-22T14:33:29Z",
    "title_canon_sha256": "d575297e2751febcf96e65cd6f0ab842b54039114d3b1f12404ffe29c5a37ae0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23408",
    "kind": "arxiv",
    "version": 1
  }
}