Pith Number

pith:7ZRKHWVM

pith:2025:7ZRKHWVMVROKJYNS7DDLQIDVWO

not attested not anchored not stored refs pending

Numerical approach for solving problems arising from polynomial analysis

Mohamed Chaouki Tarchi, Vladimir Petrov Kostov, Yousra Gati

arxiv:2504.10103 v1 · 2025-04-14 · math.NA · cs.NA · 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{7ZRKHWVMVROKJYNS7DDLQIDVWO}

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	2026-06-05T01:14:26.240081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe62a3daacac5ca4e1b2f8c6b82075b38969ed86042cf4b0d3aa50bce652f491

Aliases

arxiv: 2504.10103 · arxiv_version: 2504.10103v1 · doi: 10.48550/arxiv.2504.10103 · pith_short_12: 7ZRKHWVMVROK · pith_short_16: 7ZRKHWVMVROKJYNS · pith_short_8: 7ZRKHWVM

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/7ZRKHWVMVROKJYNS7DDLQIDVWO \
  | 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: fe62a3daacac5ca4e1b2f8c6b82075b38969ed86042cf4b0d3aa50bce652f491

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d520581935987babbc8e5b1cd3d50f6dd5c595f04ba4a387c79689f38b633b3",
    "cross_cats_sorted": [
      "cs.NA",
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-04-14T11:13:11Z",
    "title_canon_sha256": "dc42d8df1b9a943a5fba41bc9bd50b1a2e03f2857b25d86f09015240b1521ebd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.10103",
    "kind": "arxiv",
    "version": 1
  }
}