Pith Number

pith:UBWVNB7Z

pith:2013:UBWVNB7ZH4CH65JVAFZ5E6MRSQ

not attested not anchored not stored refs pending

Motivic homology of semiabelian varieties

Rin Sugiyama

arxiv:1312.7215 v2 · 2013-12-27 · 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{UBWVNB7ZH4CH65JVAFZ5E6MRSQ}

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	2026-05-18T02:37:58.849502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a06d5687f93f047f75350173d279919422a676e4746d30cc8eba4eeedf113b6a

Aliases

arxiv: 1312.7215 · arxiv_version: 1312.7215v2 · doi: 10.48550/arxiv.1312.7215 · pith_short_12: UBWVNB7ZH4CH · pith_short_16: UBWVNB7ZH4CH65JV · pith_short_8: UBWVNB7Z

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/UBWVNB7ZH4CH65JVAFZ5E6MRSQ \
  | 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: a06d5687f93f047f75350173d279919422a676e4746d30cc8eba4eeedf113b6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90dd037d3a01ef803dae18ad4ff3a1f050032a98a64cb388ee6919523ccb6a0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-12-27T08:38:58Z",
    "title_canon_sha256": "d96af6514b0d38e48aa861be039c53f981e87bc2297a02c784b665813eb6a1a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7215",
    "kind": "arxiv",
    "version": 2
  }
}