Pith Number

pith:NXSOYMQA

pith:2008:NXSOYMQAQZJYE5HGPGCIPSIX5Y

not attested not anchored not stored refs pending

Zero cycles on projective varieties and the norm principle

Nikita Semenov, Philippe Gille

arxiv:0801.2114 v2 · 2008-01-14 · 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{NXSOYMQAQZJYE5HGPGCIPSIX5Y}

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	2026-05-17T23:53:20.250990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6de4ec320086538274e6798487c917ee16ee0af436bf350e8fd2a89a63865e7d

Aliases

arxiv: 0801.2114 · arxiv_version: 0801.2114v2 · doi: 10.48550/arxiv.0801.2114 · pith_short_12: NXSOYMQAQZJY · pith_short_16: NXSOYMQAQZJYE5HG · pith_short_8: NXSOYMQA

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/NXSOYMQAQZJYE5HGPGCIPSIX5Y \
  | 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: 6de4ec320086538274e6798487c917ee16ee0af436bf350e8fd2a89a63865e7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df963a9f980f5b479dc477f97a64d4b2aaf59527a4a08495a9cede1253b57014",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2008-01-14T16:41:04Z",
    "title_canon_sha256": "b02c3f3fb17fafce734a17abd1585143b63b9b26d2dd7ab2c70dabd1104626d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.2114",
    "kind": "arxiv",
    "version": 2
  }
}