Pith Number

pith:YEXOB42G

pith:2026:YEXOB42G2P5OHRAZMY7PXPJQNV

not attested not anchored not stored refs pending

Regularity for convex viscosity solutions of $\sigma_2$ Equation

Chen Ruosi, Jian Huaiyu, Tu Xushan, Zhou Xingchen

arxiv:2605.30823 v1 · 2026-05-29 · 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{YEXOB42G2P5OHRAZMY7PXPJQNV}

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	2026-06-01T01:03:19.090349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c12ee0f346d3fae3c419663efbbd306d6b9a29dfb95e072909f40d6d7bf6cbaf

Aliases

arxiv: 2605.30823 · arxiv_version: 2605.30823v1 · doi: 10.48550/arxiv.2605.30823 · pith_short_12: YEXOB42G2P5O · pith_short_16: YEXOB42G2P5OHRAZ · pith_short_8: YEXOB42G

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/YEXOB42G2P5OHRAZMY7PXPJQNV \
  | 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: c12ee0f346d3fae3c419663efbbd306d6b9a29dfb95e072909f40d6d7bf6cbaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e88ab3926f920d47a0c588c0c43666ad2200f120b136375191685b3985f82389",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2026-05-29T04:15:47Z",
    "title_canon_sha256": "1f44b80a08a185cbe6c5dc3d4331abb5c161beaadab3f8f3eb9e34c3b20989f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30823",
    "kind": "arxiv",
    "version": 1
  }
}