Pith Number

pith:2JDHWXDC

pith:2015:2JDHWXDC7LNEF5M6WRG4AOHZP4

not attested not anchored not stored refs pending

Intersections of Amoebas

Martina Juhnke-Kubitzke, Timo de Wolff

arxiv:1510.08416 v2 · 2015-10-28 · math.CO · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2JDHWXDC7LNEF5M6WRG4AOHZP4}

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	2026-05-18T00:51:28.519716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2467b5c62fada42f59eb44dc038f97f24c7b6a440667df12fd0aae3d38269b6

Aliases

arxiv: 1510.08416 · arxiv_version: 1510.08416v2 · doi: 10.48550/arxiv.1510.08416 · pith_short_12: 2JDHWXDC7LNE · pith_short_16: 2JDHWXDC7LNEF5M6 · pith_short_8: 2JDHWXDC

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/2JDHWXDC7LNEF5M6WRG4AOHZP4 \
  | 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: d2467b5c62fada42f59eb44dc038f97f24c7b6a440667df12fd0aae3d38269b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49646a4dbcc2d1f639923ad82c1778a6c4f02ce63e5b5ad293c6fc4fce57e701",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-10-28T18:57:55Z",
    "title_canon_sha256": "14014145b3eb679a4a571ccddaf20418822634bf47e1e33c3d914aebdc225203"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08416",
    "kind": "arxiv",
    "version": 2
  }
}