Pith Number

pith:SQDUYTH6

pith:2019:SQDUYTH64JK672V264YNDFWSX6

not attested not anchored not stored refs pending

Sign conditions for the existence of at least one positive solution of a sparse polynomial system

Alicia Dickenstein, Fr\'ed\'eric Bihan, Magal\'i Giaroli

arxiv:1908.05503 v2 · 2019-08-15 · 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{SQDUYTH64JK672V264YNDFWSX6}

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	2026-07-05T01:35:10.452663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94074c4cfee255efeabaf730d196d2bfbc000cd259b8bf3c96b50781ecdbb666

Aliases

arxiv: 1908.05503 · arxiv_version: 1908.05503v2 · doi: 10.48550/arxiv.1908.05503 · pith_short_12: SQDUYTH64JK6 · pith_short_16: SQDUYTH64JK672V2 · pith_short_8: SQDUYTH6

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/SQDUYTH64JK672V264YNDFWSX6 \
  | 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: 94074c4cfee255efeabaf730d196d2bfbc000cd259b8bf3c96b50781ecdbb666

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc0d87dc70ffad91daf480b392f63ede4fced74fbe0d4d686877123a57bca97d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-08-15T12:02:43Z",
    "title_canon_sha256": "248e6b537d40f866e03ab8f49b90f2f13379d666dcf10441bae2309d80b0316e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05503",
    "kind": "arxiv",
    "version": 2
  }
}