Pith Number

pith:D635E5KG

pith:2017:D635E5KG6JZ7SG33KI7SYLJEQ7

not attested not anchored not stored refs pending

Computing Tropical Prevarieties in Parallel

Anders Jensen, Jan Verschelde, Jeff Sommars

arxiv:1705.00720 v2 · 2017-05-01 · cs.MS · cs.CG · cs.DC · 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{D635E5KG6JZ7SG33KI7SYLJEQ7}

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	2026-05-18T00:41:07.020948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fb7d27546f273f91b7b523f2c2d2487e1b8656242ece8078bb61dbad8bea82a

Aliases

arxiv: 1705.00720 · arxiv_version: 1705.00720v2 · doi: 10.48550/arxiv.1705.00720 · pith_short_12: D635E5KG6JZ7 · pith_short_16: D635E5KG6JZ7SG33 · pith_short_8: D635E5KG

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/D635E5KG6JZ7SG33KI7SYLJEQ7 \
  | 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: 1fb7d27546f273f91b7b523f2c2d2487e1b8656242ece8078bb61dbad8bea82a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b312b8745ac63d90d7e12b36c8163666b2c7c81831d448bb02ef0426901645a",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.DC",
      "math.AG",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2017-05-01T21:34:00Z",
    "title_canon_sha256": "1e9e933543ae932a46a6e0e921e07229d697cd26ded760f576abb678a73f4c1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.00720",
    "kind": "arxiv",
    "version": 2
  }
}