Pith Number

pith:UWRJKSJZ

pith:2014:UWRJKSJZBZ2IPBY2Q4MR6ELSPW

not attested not anchored not stored refs pending

Combinatorial models for spaces of cubic polynomials

Alexander Blokh, Lex Oversteegen, Ross Ptacek, Vladlen Timorin

arxiv:1405.4287 v2 · 2014-05-16 · 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{UWRJKSJZBZ2IPBY2Q4MR6ELSPW}

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	2026-05-18T02:25:56.171304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5a29549390e7487871a87191f11727db4464c9e7d4b6166bc7c71c7cfc46313

Aliases

arxiv: 1405.4287 · arxiv_version: 1405.4287v2 · doi: 10.48550/arxiv.1405.4287 · pith_short_12: UWRJKSJZBZ2I · pith_short_16: UWRJKSJZBZ2IPBY2 · pith_short_8: UWRJKSJZ

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/UWRJKSJZBZ2IPBY2Q4MR6ELSPW \
  | 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: a5a29549390e7487871a87191f11727db4464c9e7d4b6166bc7c71c7cfc46313

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d72b6d3cc70cab7f86ef837b8c68c429c0368e6ee2733e09b9874763a58d1e8d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-05-16T19:59:53Z",
    "title_canon_sha256": "8a2154c71b19b78138552ed40b30a226f02ece6e2acdb02fdd315c181f042d81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4287",
    "kind": "arxiv",
    "version": 2
  }
}