Pith Number

pith:PNU34XSS

pith:2013:PNU34XSSM6FWE4YZMEEHQQPS2P

not attested not anchored not stored refs pending

Showcase of Blue Sky Catastrophes

Andrey Shilnikov, Dmitry Turaev, Leonid Shilnikov

arxiv:1310.5233 v1 · 2013-10-19 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PNU34XSSM6FWE4YZMEEHQQPS2P}

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	2026-05-18T01:46:57.505845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b69be5e52678b62731961087841f2d3f08daa81d58681a01b6cb0a698f8c5f6

Aliases

arxiv: 1310.5233 · arxiv_version: 1310.5233v1 · doi: 10.48550/arxiv.1310.5233 · pith_short_12: PNU34XSSM6FW · pith_short_16: PNU34XSSM6FWE4YZ · pith_short_8: PNU34XSS

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/PNU34XSSM6FWE4YZMEEHQQPS2P \
  | 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: 7b69be5e52678b62731961087841f2d3f08daa81d58681a01b6cb0a698f8c5f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "861a45ef9cfd6ae5bb07252ef9263cda70795b76be02ccac63ed26a1085f840d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2013-10-19T14:16:43Z",
    "title_canon_sha256": "d4637c6c3adc987b6dcffa16acf2436ec57460f1e501a6bb43ef8b157e5a9a6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.5233",
    "kind": "arxiv",
    "version": 1
  }
}