Pith Number

pith:C24N3O2X

pith:2026:C24N3O2XL3IS5BS2FE2BPAE52A

not attested not anchored not stored refs pending

pyHB: an open-source automatic-differentiation-enhanced semi-analytical solver for nonlinear dynamics

Hongyuan Fang, Jun Xu, Lei Hou, Qi Liu, Qingye Meng, Yi Chen, Yuhong Jin

arxiv:2607.17577 v1 · 2026-07-20 · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C24N3O2XL3IS5BS2FE2BPAE52A}

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	2026-07-21T01:21:53.240624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16b8ddbb575ed12e865a293417809dd032aa4236fb760f3bde64dbe53aa06245

Aliases

arxiv: 2607.17577 · arxiv_version: 2607.17577v1 · doi: 10.48550/arxiv.2607.17577 · pith_short_12: C24N3O2XL3IS · pith_short_16: C24N3O2XL3IS5BS2 · pith_short_8: C24N3O2X

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/C24N3O2XL3IS5BS2FE2BPAE52A \
  | 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: 16b8ddbb575ed12e865a293417809dd032aa4236fb760f3bde64dbe53aa06245

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "759e5892bd11723c81066c38e8f4b1f76d1a683d0b01a722979f966fa3abaa72",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2026-07-20T05:46:25Z",
    "title_canon_sha256": "2be5eba64d32c197ec7acd83497fa2b1a4e2a15c887855bdbe6f3bc5a93f3488"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.17577",
    "kind": "arxiv",
    "version": 1
  }
}