Pith Number

pith:SWL63Z3T

pith:1996:SWL63Z3THARS4AKMC2PBVFEAEA

not attested not anchored not stored refs pending

Combinatorics and topology of stratifications of the space of monic polynomials with real coefficients

Boris Shapiro, Volkmar Welker

arxiv:math/9609211 v1 · 1996-09-24 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SWL63Z3THARS4AKMC2PBVFEAEA}

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	2026-05-18T01:05:47.034858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9597ede77338232e014c169e1a94802009858bd3be6b54c90fbc01e879f4c041

Aliases

arxiv: math/9609211 · arxiv_version: math/9609211v1 · doi: 10.48550/arxiv.math/9609211 · pith_short_12: SWL63Z3THARS · pith_short_16: SWL63Z3THARS4AKM · pith_short_8: SWL63Z3T

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/SWL63Z3THARS4AKMC2PBVFEAEA \
  | 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: 9597ede77338232e014c169e1a94802009858bd3be6b54c90fbc01e879f4c041

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "969775ebd92df0e8b57083fd7ffb93a2b8582d9fcb0a8cb728fe8404654ddadb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "1996-09-24T00:00:00Z",
    "title_canon_sha256": "b57d64eac4a75f757fcd82f17c5c7fd5583d04e948cf803916092c36f6eb5b06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9609211",
    "kind": "arxiv",
    "version": 1
  }
}