Pith Number

pith:SVEHTTW2

pith:2013:SVEHTTW2YGRXTP4QMKUA4F5UY2

not attested not anchored not stored refs pending

On projections of smooth and nodal plane curves

Serge Lvovski, Yu. Burman

arxiv:1311.1904 v3 · 2013-11-08 · 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{SVEHTTW2YGRXTP4QMKUA4F5UY2}

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	2026-05-18T03:01:35.230225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

954879cedac1a379bf9062a80e17b4c69f23db673ba8bb370200f5673d04a96b

Aliases

arxiv: 1311.1904 · arxiv_version: 1311.1904v3 · doi: 10.48550/arxiv.1311.1904 · pith_short_12: SVEHTTW2YGRX · pith_short_16: SVEHTTW2YGRXTP4Q · pith_short_8: SVEHTTW2

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/SVEHTTW2YGRXTP4QMKUA4F5UY2 \
  | 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: 954879cedac1a379bf9062a80e17b4c69f23db673ba8bb370200f5673d04a96b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bca6bef514cbba36f0b7330b0e8c90133704fddf4deb09fa4f62d13005b9956",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-11-08T08:56:57Z",
    "title_canon_sha256": "f84b11013eb6c3e86f7b455cfa8f532f34dbf6ba05fac5d291ff57baedaf8c9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1904",
    "kind": "arxiv",
    "version": 3
  }
}