Pith Number

pith:VE5S2CG4

pith:2017:VE5S2CG4GFMWX77Z5YSTOASIUG

not attested not anchored not stored refs pending

The Lattice of Amoebas

Jens Forsg{\aa}rd, Timo de Wolff

arxiv:1711.02705 v2 · 2017-11-07 · math.AG · math.CO · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VE5S2CG4GFMWX77Z5YSTOASIUG}

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	2026-05-18T00:01:10.112736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a93b2d08dc31596bfff9ee25370248a1b097fe291ef8b543a563464d6d4a3c6e

Aliases

arxiv: 1711.02705 · arxiv_version: 1711.02705v2 · doi: 10.48550/arxiv.1711.02705 · pith_short_12: VE5S2CG4GFMW · pith_short_16: VE5S2CG4GFMWX77Z · pith_short_8: VE5S2CG4

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/VE5S2CG4GFMWX77Z5YSTOASIUG \
  | 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: a93b2d08dc31596bfff9ee25370248a1b097fe291ef8b543a563464d6d4a3c6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4f2c86c26c8bff9e48571da36de39a839653505cf925da04bcdd2c5a1d68997",
    "cross_cats_sorted": [
      "math.CO",
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-11-07T20:01:10Z",
    "title_canon_sha256": "8c485384d3c3cfa2e2a612d41d8e7a86f5ab5a8899642e8e7e95d6f777be61da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.02705",
    "kind": "arxiv",
    "version": 2
  }
}