Pith Number

pith:NYSLTARB

pith:2026:NYSLTARB2K6IZRNGT5UACKUFLR

not attested not anchored not stored refs pending

Computing Saddle Points in Stiff Problems via a Preconditioned High-index Saddle Dynamics Method

Bingzhang Huang, Hua Su, Jin Zhao, Lei Zhang

arxiv:2603.25390 v2 · 2026-03-26 · math.NA · cs.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{NYSLTARB2K6IZRNGT5UACKUFLR}

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	2026-05-25T02:01:18.295733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e24b98221d2bc8cc5a69f68012a855c54e9f2ef93af311c60a4dab626b2a508

Aliases

arxiv: 2603.25390 · arxiv_version: 2603.25390v2 · doi: 10.48550/arxiv.2603.25390 · pith_short_12: NYSLTARB2K6I · pith_short_16: NYSLTARB2K6IZRNG · pith_short_8: NYSLTARB

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/NYSLTARB2K6IZRNGT5UACKUFLR \
  | 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: 6e24b98221d2bc8cc5a69f68012a855c54e9f2ef93af311c60a4dab626b2a508

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f094bff807daaeabd458c7288fe28a680743a6d065afe756d90e223fa293295",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-03-26T12:38:49Z",
    "title_canon_sha256": "8bb463ec60feb632d9cef0783e9a7712fb22a2d8f124658a8b5e2e629b2fecce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.25390",
    "kind": "arxiv",
    "version": 2
  }
}