Pith Number

pith:ZZOMG44J

pith:2025:ZZOMG44J7K35WPWYDAQC7X3IRH

not attested not anchored not stored refs pending

Second boundary value problem for the Hessian curvature flow

Changzheng Qu, Rongli Huang, Weifeng Wo, Zhizhang Wang

arxiv:2505.23067 v1 · 2025-05-29 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZZOMG44J7K35WPWYDAQC7X3IRH}

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	2026-07-05T11:11:54.938710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce5cc37389fab7db3ed818202fdf6889fe424728dcdec13de2698aded791d568

Aliases

arxiv: 2505.23067 · arxiv_version: 2505.23067v1 · doi: 10.48550/arxiv.2505.23067 · pith_short_12: ZZOMG44J7K35 · pith_short_16: ZZOMG44J7K35WPWY · pith_short_8: ZZOMG44J

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/ZZOMG44J7K35WPWYDAQC7X3IRH \
  | 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: ce5cc37389fab7db3ed818202fdf6889fe424728dcdec13de2698aded791d568

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec21957e98f41aff208c1b37a5b2d56a81a6e10e428baf3bc9d6dfb30580bba9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2025-05-29T04:16:40Z",
    "title_canon_sha256": "1c24848c0970de818d2802148219e09c769b96a69b5d19648c5ba4236f393ab2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.23067",
    "kind": "arxiv",
    "version": 1
  }
}