Pith Number

pith:FAYRCDGS

pith:2015:FAYRCDGSFH5JVR52LEZYGNDGIW

not attested not anchored not stored refs pending

Chow groups of products of Severi-Brauer varieties and invariants of degree 3

Sanghoon Baek

arxiv:1502.03023 v2 · 2015-02-10 · math.AG · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FAYRCDGSFH5JVR52LEZYGNDGIW}

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	2026-05-18T02:26:45.064456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2831110cd229fa9ac7ba593383346645a98bbe773d4cfdcd3080dafe381431d0

Aliases

arxiv: 1502.03023 · arxiv_version: 1502.03023v2 · doi: 10.48550/arxiv.1502.03023 · pith_short_12: FAYRCDGSFH5J · pith_short_16: FAYRCDGSFH5JVR52 · pith_short_8: FAYRCDGS

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/FAYRCDGSFH5JVR52LEZYGNDGIW \
  | 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: 2831110cd229fa9ac7ba593383346645a98bbe773d4cfdcd3080dafe381431d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2f94ddf3aa7e884e8d3fff88c754fbad3290a2269f715304339892ac7414a6a",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-02-10T18:06:25Z",
    "title_canon_sha256": "7f06d3266e0c57fb806c2d10fda903e79a8974387b76e092679567b41dc0369a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03023",
    "kind": "arxiv",
    "version": 2
  }
}