Pith Number

pith:2CLCFEZ7

pith:2021:2CLCFEZ72YFBGHQGN3CAKSNT5D

not attested not anchored not stored refs pending

A recursive system-free single-step temporal discretization method for finite difference methods

Adam Reyes, Dongwook Lee, Youngjun Lee

arxiv:2103.00414 v1 · 2021-02-28 · math.NA · astro-ph.HE · cs.NA · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2CLCFEZ72YFBGHQGN3CAKSNT5D}

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	2026-07-05T02:19:05.531349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d09622933fd60a131e066ec40549b3e8fadaabb3969008a0b8e01b34fa28e6ca

Aliases

arxiv: 2103.00414 · arxiv_version: 2103.00414v1 · doi: 10.48550/arxiv.2103.00414 · pith_short_12: 2CLCFEZ72YFB · pith_short_16: 2CLCFEZ72YFBGHQG · pith_short_8: 2CLCFEZ7

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/2CLCFEZ72YFBGHQGN3CAKSNT5D \
  | 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: d09622933fd60a131e066ec40549b3e8fadaabb3969008a0b8e01b34fa28e6ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70a13cbdaad359e824644fde68ece671528977456b34ebb15a8aa1cea429604c",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-02-28T07:09:41Z",
    "title_canon_sha256": "47595d129bacbf418c1f92d5a577a82cb91239ba3809f4ed1d3d6b16231547a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.00414",
    "kind": "arxiv",
    "version": 1
  }
}