Pith Number

pith:3P5QPPWM

pith:2014:3P5QPPWMJOSPGFU2LV4MXSZE47

not attested not anchored not stored refs pending

When are Zariski chambers numerically determined?

Slawomir Rams, Tomasz Szemberg

arxiv:1411.4178 v1 · 2014-11-15 · 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{3P5QPPWMJOSPGFU2LV4MXSZE47}

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	2026-05-18T00:44:10.220504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbfb07becc4ba4f3169a5d78cbcb24e7e18236529b17eab3fa5b26eb8a4cc75d

Aliases

arxiv: 1411.4178 · arxiv_version: 1411.4178v1 · doi: 10.48550/arxiv.1411.4178 · pith_short_12: 3P5QPPWMJOSP · pith_short_16: 3P5QPPWMJOSPGFU2 · pith_short_8: 3P5QPPWM

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/3P5QPPWMJOSPGFU2LV4MXSZE47 \
  | 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: dbfb07becc4ba4f3169a5d78cbcb24e7e18236529b17eab3fa5b26eb8a4cc75d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8eaa01e391e28f05d3a70e5d10df57a5b419259b01646d67f1cd19d93122b4d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-11-15T20:04:14Z",
    "title_canon_sha256": "6e0741871a9ec15366dc1ccd57193ffd4e612c522a6873afd4e0860419e1743a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4178",
    "kind": "arxiv",
    "version": 1
  }
}