Pith Number

pith:WAI352XC

pith:2017:WAI352XCWUBAEMR7VYOBMEWFKJ

not attested not anchored not stored refs pending

Polyhedra and parameter spaces for matroids over valuation rings

Alex Fink, Luca Moci

arxiv:1707.01026 v2 · 2017-07-04 · 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{WAI352XCWUBAEMR7VYOBMEWFKJ}

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	2026-05-18T00:38:50.212199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b011beeae2b50202323fae1c1612c5524580ba9498b206a401d0cb1ae622c082

Aliases

arxiv: 1707.01026 · arxiv_version: 1707.01026v2 · doi: 10.48550/arxiv.1707.01026 · pith_short_12: WAI352XCWUBA · pith_short_16: WAI352XCWUBAEMR7 · pith_short_8: WAI352XC

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/WAI352XCWUBAEMR7VYOBMEWFKJ \
  | 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: b011beeae2b50202323fae1c1612c5524580ba9498b206a401d0cb1ae622c082

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec201e539e2e56f988d6fb5de75989655c18c5857fabf38f0b847f186a654891",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-07-04T14:59:34Z",
    "title_canon_sha256": "9a5b72eaaec79e54faf670d4e8f582af76f40e8bdacce39624018cc76573d312"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01026",
    "kind": "arxiv",
    "version": 2
  }
}