Pith Number

pith:NFAEQ2RZ

pith:2026:NFAEQ2RZ24KOT5IDRMAJGMK36J

not attested not anchored not stored refs pending

Free boundary flows by powers of the Gauss curvature in the unit ball

Rong Zhou, Tianci Luo, Yong Wei

arxiv:2607.26923 v1 · 2026-07-29 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NFAEQ2RZ24KOT5IDRMAJGMK36J}

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	2026-07-30T01:23:01.021467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

6940486a39d714e9f5038b0093315bf24d093a797d049e87d05d9eeb8125b44a

Aliases

arxiv: 2607.26923 · arxiv_version: 2607.26923v1 · doi: 10.48550/arxiv.2607.26923 · pith_short_12: NFAEQ2RZ24KO · pith_short_16: NFAEQ2RZ24KOT5ID · pith_short_8: NFAEQ2RZ

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/NFAEQ2RZ24KOT5IDRMAJGMK36J \
  | 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: 6940486a39d714e9f5038b0093315bf24d093a797d049e87d05d9eeb8125b44a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb2993e2459972de0b1b732100976418c042873126fc178617fef6df7d5a6347",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2026-07-29T13:53:52Z",
    "title_canon_sha256": "c6379992226411d777e4321b2253855f7a93f1700c94971966699d578ae52f0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.26923",
    "kind": "arxiv",
    "version": 1
  }
}