Pith Number

pith:KKMKTA7D

pith:2012:KKMKTA7DSUVPSCGAZPMN6EWBV2

not attested not anchored not stored refs pending

Euler flag enumeration of Whitney stratified spaces

Margaret Readdy, Mark Goresky, Richard Ehrenborg

arxiv:1201.3377 v2 · 2012-01-16 · math.CO · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KKMKTA7DSUVPSCGAZPMN6EWBV2}

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	2026-05-18T02:41:01.813234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5298a983e3952af908c0cbd8df12c1aeb99318abfb11180cd354bc0a0834c2ab

Aliases

arxiv: 1201.3377 · arxiv_version: 1201.3377v2 · doi: 10.48550/arxiv.1201.3377 · pith_short_12: KKMKTA7DSUVP · pith_short_16: KKMKTA7DSUVPSCGA · pith_short_8: KKMKTA7D

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/KKMKTA7DSUVPSCGAZPMN6EWBV2 \
  | 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: 5298a983e3952af908c0cbd8df12c1aeb99318abfb11180cd354bc0a0834c2ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffa34a247bd87fa4e60a24482dafaa2e7fbb8185b5018c4a2d087ba56642bdfa",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-01-16T21:24:09Z",
    "title_canon_sha256": "474775e68900b231b94d6710311a53cd28a47b4657540a7f142fb0a501825d8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3377",
    "kind": "arxiv",
    "version": 2
  }
}