Pith Number

pith:YYISSOWM

pith:2013:YYISSOWMFLKM733WLHBJ6NWEIL

not attested not anchored not stored refs pending

On the Cauchy problem for axi-symmetric vortex rings

Hao Feng, Vladim\'ir \v{S}ver\'ak

arxiv:1301.6317 v1 · 2013-01-27 · 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{YYISSOWMFLKM733WLHBJ6NWEIL}

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	2026-05-18T01:51:58.184436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c611293acc2ad4cfef7659c29f36c442c3b39d6ca5bba6e07aa75eae4dd36952

Aliases

arxiv: 1301.6317 · arxiv_version: 1301.6317v1 · doi: 10.48550/arxiv.1301.6317 · pith_short_12: YYISSOWMFLKM · pith_short_16: YYISSOWMFLKM733W · pith_short_8: YYISSOWM

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/YYISSOWMFLKM733WLHBJ6NWEIL \
  | 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: c611293acc2ad4cfef7659c29f36c442c3b39d6ca5bba6e07aa75eae4dd36952

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8569038bdc3d4c68c4acd73be384d16a3f924c632651038cb91193deb35054c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-01-27T04:54:15Z",
    "title_canon_sha256": "9ca58098e2185abb864970ecff817fbf7e4fb8f2bfa12dd844526a5482663b87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6317",
    "kind": "arxiv",
    "version": 1
  }
}