Pith Number

pith:V2WUZ24X

pith:2019:V2WUZ24XISC7R6EHHECRQWQM65

not attested not anchored not stored refs pending

Solving Polynomial Systems with phcpy

Angus Forbes, Jan Verschelde, Jasmine Otto

arxiv:1907.00096 v1 · 2019-06-28 · cs.MS · cs.DC · cs.SC · 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{V2WUZ24XISC7R6EHHECRQWQM65}

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	2026-05-17T23:41:57.478498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aead4ceb974485f8f8873905185a0cf7708c0255146bd1f7fb3ca6e725ffeb94

Aliases

arxiv: 1907.00096 · arxiv_version: 1907.00096v1 · doi: 10.48550/arxiv.1907.00096 · pith_short_12: V2WUZ24XISC7 · pith_short_16: V2WUZ24XISC7R6EH · pith_short_8: V2WUZ24X

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/V2WUZ24XISC7R6EHHECRQWQM65 \
  | 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: aead4ceb974485f8f8873905185a0cf7708c0255146bd1f7fb3ca6e725ffeb94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b01c625d48e785f4350e8afcf439671990a2cd89dbbdbb045aeb5209d79e6d4f",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.SC",
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2019-06-28T22:19:04Z",
    "title_canon_sha256": "9403ba20840d753c0241bea957b15da60ff45ad2f82690e2371bda1c38127c1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00096",
    "kind": "arxiv",
    "version": 1
  }
}