Pith Number

pith:B7E4O3EJ

pith:2015:B7E4O3EJFNGKYDI47DHLIEMW2N

not attested not anchored not stored refs pending

Rost motives, affine varieties, and classifying spaces

Nikita Semenov, Victor Petrov

arxiv:1506.07788 v1 · 2015-06-25 · 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{B7E4O3EJFNGKYDI47DHLIEMW2N}

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	2026-05-18T00:42:33.413893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fc9c76c892b4cac0d1cf8ceb41196d34e8c9054e444f41f22c1531130b871b8

Aliases

arxiv: 1506.07788 · arxiv_version: 1506.07788v1 · doi: 10.48550/arxiv.1506.07788 · pith_short_12: B7E4O3EJFNGK · pith_short_16: B7E4O3EJFNGKYDI4 · pith_short_8: B7E4O3EJ

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/B7E4O3EJFNGKYDI47DHLIEMW2N \
  | 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: 0fc9c76c892b4cac0d1cf8ceb41196d34e8c9054e444f41f22c1531130b871b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad93c1525b913971593e7aecc4e36832d11ce328463b44c152d7c0d236d191f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-06-25T15:32:02Z",
    "title_canon_sha256": "17bbfecdcb120b8c31a3eb3a0a11223e26c15c5d64aaf1d5fd10319454ae189c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07788",
    "kind": "arxiv",
    "version": 1
  }
}