Pith Number

pith:TQGWOIOJ

pith:2023:TQGWOIOJITUD5SFLS3DXHWJVAN

not attested not anchored not stored refs pending

Markov Parameter Identification via Chebyshev Approximation

Jiayun Li, Yilin Mo

arxiv:2304.03024 v3 · 2023-04-06 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TQGWOIOJITUD5SFLS3DXHWJVAN}

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	2026-07-05T05:59:50.146782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c0d6721c944e83ec8ab96c773d9350344858b5569bc42795716cd9530a7fc1b

Aliases

arxiv: 2304.03024 · arxiv_version: 2304.03024v3 · doi: 10.48550/arxiv.2304.03024 · pith_short_12: TQGWOIOJITUD · pith_short_16: TQGWOIOJITUD5SFL · pith_short_8: TQGWOIOJ

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/TQGWOIOJITUD5SFLS3DXHWJVAN \
  | 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: 9c0d6721c944e83ec8ab96c773d9350344858b5569bc42795716cd9530a7fc1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7a06525dcea7b55d21b67b410b30e6efda9c266c7a2c115ccf140d7eabd0bdd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2023-04-06T12:18:56Z",
    "title_canon_sha256": "80e1fc2776b931f4827b6efc426e1cb5c3379477262abfcbdfbae7bf7c909198"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.03024",
    "kind": "arxiv",
    "version": 3
  }
}