Pith Number

pith:DSV2GASE

pith:2010:DSV2GASEHUVV7NL3QSE3UZROU4

not attested not anchored not stored refs pending

Nonnegative Polynomials and Sums of Squares

Grigoriy Blekherman

arxiv:1010.3465 v2 · 2010-10-18 · 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{DSV2GASEHUVV7NL3QSE3UZROU4}

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	2026-05-18T04:02:52.918549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1caba302443d2b5fb57b8489ba662ea73da7d709f0552c5633a85a3c6439d9ad

Aliases

arxiv: 1010.3465 · arxiv_version: 1010.3465v2 · doi: 10.48550/arxiv.1010.3465 · pith_short_12: DSV2GASEHUVV · pith_short_16: DSV2GASEHUVV7NL3 · pith_short_8: DSV2GASE

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/DSV2GASEHUVV7NL3QSE3UZROU4 \
  | 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: 1caba302443d2b5fb57b8489ba662ea73da7d709f0552c5633a85a3c6439d9ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5051bd6446716bb081c5f958a1e1fc2c8c5e0b1dbe5a15bca33886694f34062a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-10-18T02:13:41Z",
    "title_canon_sha256": "696a417c1390a24ef613019a78ed93bef3b89e411fa90f3bd2311e0c2d7f97ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.3465",
    "kind": "arxiv",
    "version": 2
  }
}