Pith Number

pith:C43YUOZF

pith:2012:C43YUOZFUKFTGBTFMV53SUX5LF

not attested not anchored not stored refs pending

Formulation of finite-time singularity for free-surface Euler equations

Yi Zhou

arxiv:1211.4299 v2 · 2012-11-19 · 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{C43YUOZFUKFTGBTFMV53SUX5LF}

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	2026-05-18T03:38:02.508147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17378a3b25a28b330665657bb952fd5943ee22ed824795829f7ed5c666b63f9d

Aliases

arxiv: 1211.4299 · arxiv_version: 1211.4299v2 · doi: 10.48550/arxiv.1211.4299 · pith_short_12: C43YUOZFUKFT · pith_short_16: C43YUOZFUKFTGBTF · pith_short_8: C43YUOZF

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/C43YUOZFUKFTGBTFMV53SUX5LF \
  | 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: 17378a3b25a28b330665657bb952fd5943ee22ed824795829f7ed5c666b63f9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25a23ae6df373e70efca7ce9240168874fff35dd6462935f0d718a7e2f074e59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-11-19T04:23:37Z",
    "title_canon_sha256": "25bc69238954da34503e04d92533278c65596066331775bc9a3e2fa0a2f337e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4299",
    "kind": "arxiv",
    "version": 2
  }
}