Pith Number

pith:3QYQUP2T

pith:2008:3QYQUP2TONKWIKG254SKHFWIPI

not attested not anchored not stored refs pending

On the number of components of a complete intersection of real quadrics

Alex Degtyarev, Ilia Itenberg, Viatcheslav Kharlamov

arxiv:0806.4077 v3 · 2008-06-25 · 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{3QYQUP2TONKWIKG254SKHFWIPI}

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	2026-05-18T03:56:45.445636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc310a3f5373556428daef24a396c87a05a10be8954d71d1646d21b8285bfbee

Aliases

arxiv: 0806.4077 · arxiv_version: 0806.4077v3 · doi: 10.48550/arxiv.0806.4077 · pith_short_12: 3QYQUP2TONKW · pith_short_16: 3QYQUP2TONKWIKG2 · pith_short_8: 3QYQUP2T

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/3QYQUP2TONKWIKG254SKHFWIPI \
  | 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: dc310a3f5373556428daef24a396c87a05a10be8954d71d1646d21b8285bfbee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d74e5c2c9e99b8fb622b028656aaa042c73f0c7cf17a563d954b168cd5bc5ba8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2008-06-25T12:05:34Z",
    "title_canon_sha256": "2117bbe5c979eb2c0bfdeca774d921032682a89454b8ca590318054962a3c134"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.4077",
    "kind": "arxiv",
    "version": 3
  }
}