Pith Number

pith:PN6WDIDL

pith:2013:PN6WDIDLLZBGASBBWOCVKOQDTG

not attested not anchored not stored refs pending

Non-embeddable Real Algebraic Hypersurfaces

Dmitri Zaitsev, Xiaojun Huang

arxiv:1303.2385 v1 · 2013-03-10 · math.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PN6WDIDLLZBGASBBWOCVKOQDTG}

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	2026-05-18T02:27:08.310642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b7d61a06b5e42604821b385553a0399a27cb07076af2fa95f15fd04cfb63b16

Aliases

arxiv: 1303.2385 · arxiv_version: 1303.2385v1 · doi: 10.48550/arxiv.1303.2385 · pith_short_12: PN6WDIDLLZBG · pith_short_16: PN6WDIDLLZBGASBB · pith_short_8: PN6WDIDL

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/PN6WDIDLLZBGASBBWOCVKOQDTG \
  | 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: 7b7d61a06b5e42604821b385553a0399a27cb07076af2fa95f15fd04cfb63b16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4db7ff9df199310dce34dca50605c5af6c3e70f88b9f29184794246ee869a7c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2013-03-10T22:27:35Z",
    "title_canon_sha256": "8a1a3d800026b6a6ce5c3a9dbc0177dbd479800a57c00aab12e50af54b7c4273"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2385",
    "kind": "arxiv",
    "version": 1
  }
}