Pith Number

pith:CJFDZKT2

pith:2019:CJFDZKT23MYMZAFGD43DYHKNVL

not attested not anchored not stored refs pending

Addition-deletion results for the minimal degree of logarithmic derivations of arrangements

Alexandru Dimca, Gabriel Sticlaru, Takuro Abe

arxiv:1908.06885 v2 · 2019-08-19 · math.AG · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CJFDZKT23MYMZAFGD43DYHKNVL}

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	2026-07-05T00:04:43.977879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

124a3caa7adb30cc80a61f363c1d4daae8c7b01c61778abca22082dfa4aff238

Aliases

arxiv: 1908.06885 · arxiv_version: 1908.06885v2 · doi: 10.48550/arxiv.1908.06885 · pith_short_12: CJFDZKT23MYM · pith_short_16: CJFDZKT23MYMZAFG · pith_short_8: CJFDZKT2

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/CJFDZKT23MYMZAFGD43DYHKNVL \
  | 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: 124a3caa7adb30cc80a61f363c1d4daae8c7b01c61778abca22082dfa4aff238

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c0af72a719c5ab64b62369f70e6ebf760689f35cb65027d27efe762789085af",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-08-19T15:42:18Z",
    "title_canon_sha256": "532ed422e107f9688ed2c3f606ca45d14fdde39ac33f97ccfed614f9f2b98fe1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06885",
    "kind": "arxiv",
    "version": 2
  }
}