Pith Number

pith:RYOO6WGF

pith:2015:RYOO6WGF6YNXFAVGSIIKDBZG6I

not attested not anchored not stored refs pending

Piecewise smooth systems near a co-dimension 2 discontinuity manifold: can one say what should happen?

Cinzia Elia, Luca Dieci

arxiv:1508.02639 v1 · 2015-08-11 · 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{RYOO6WGF6YNXFAVGSIIKDBZG6I}

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	2026-05-18T01:35:28.657450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e1cef58c5f61b7282a69210a18726f216b42c75f2d4400158e9d66715020089

Aliases

arxiv: 1508.02639 · arxiv_version: 1508.02639v1 · doi: 10.48550/arxiv.1508.02639 · pith_short_12: RYOO6WGF6YNX · pith_short_16: RYOO6WGF6YNXFAVG · pith_short_8: RYOO6WGF

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/RYOO6WGF6YNXFAVGSIIKDBZG6I \
  | 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: 8e1cef58c5f61b7282a69210a18726f216b42c75f2d4400158e9d66715020089

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a554618d9bf8af43e760e3d56d818faf1727033b558c289e766099962af3bf6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-08-11T16:01:32Z",
    "title_canon_sha256": "20b08a638bea42f6e7f1948a4b63027cc21301c11d0dbaf56f7d73f9f20150af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.02639",
    "kind": "arxiv",
    "version": 1
  }
}