Pith Number

pith:EJXRBKRR

pith:2019:EJXRBKRRR643ESDOEUTLGTGYDC

not attested not anchored not stored refs pending

Mean curvature flow of noncompact hypersurfaces with Type-II curvature blow-up. II

Haotian Wu, James Isenberg, Zhou Zhang

arxiv:1911.07282 v1 · 2019-11-14 · math.DG · 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{EJXRBKRRR643ESDOEUTLGTGYDC}

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	2026-07-05T00:19:45.043994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

226f10aa318fb9b2486e2526b34cd8189defd22a93a4451806ebcd7a6147ccfd

Aliases

arxiv: 1911.07282 · arxiv_version: 1911.07282v1 · doi: 10.48550/arxiv.1911.07282 · pith_short_12: EJXRBKRRR643 · pith_short_16: EJXRBKRRR643ESDO · pith_short_8: EJXRBKRR

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/EJXRBKRRR643ESDOEUTLGTGYDC \
  | 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: 226f10aa318fb9b2486e2526b34cd8189defd22a93a4451806ebcd7a6147ccfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c1d418faad38b3e5a3572c057d4c0bebb245165118aa12008d96c0632ec8447",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-11-14T01:00:00Z",
    "title_canon_sha256": "f2f1500bd970beb2e4029170a6f2175804b76ce84a3a118b4458e8746cd18cf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.07282",
    "kind": "arxiv",
    "version": 1
  }
}