Pith Number

pith:RRXDVPEZ

pith:2011:RRXDVPEZZ2JQ2FQLJHTHZYIDUC

not attested not anchored not stored refs pending

Lower bounds in real algebraic geometry and orientability of real toric varieties

Evgenia Soprunova, Frank Sottile

arxiv:1102.3045 v3 · 2011-02-15 · 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{RRXDVPEZZ2JQ2FQLJHTHZYIDUC}

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	2026-05-18T02:22:31.713367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c6e3abc99ce930d160b49e67ce103a093552d229472c1f5c245528ca05e6ea2

Aliases

arxiv: 1102.3045 · arxiv_version: 1102.3045v3 · doi: 10.48550/arxiv.1102.3045 · pith_short_12: RRXDVPEZZ2JQ · pith_short_16: RRXDVPEZZ2JQ2FQL · pith_short_8: RRXDVPEZ

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/RRXDVPEZZ2JQ2FQLJHTHZYIDUC \
  | 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: 8c6e3abc99ce930d160b49e67ce103a093552d229472c1f5c245528ca05e6ea2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d86b84c70560d949716f79dd42849079f3347a981c43aedbe6acaba1aa57bd78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-02-15T11:58:45Z",
    "title_canon_sha256": "68c669fe1e38104374b0aa0b8c95797f9a8da7a7926a510e2ab7d137a93782f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3045",
    "kind": "arxiv",
    "version": 3
  }
}