Pith Number

pith:S5K2AD7R

pith:2013:S5K2AD7RGOVR7NMMR5S7U3QOY7

not attested not anchored not stored refs pending

On the motive of a commutative algebraic group

Annette Huber, Giuseppe Ancona, Stephen Enright-Ward

arxiv:1312.4171 v2 · 2013-12-15 · math.AG · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S5K2AD7RGOVR7NMMR5S7U3QOY7}

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	2026-05-18T01:18:57.720538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9755a00ff133ab1fb58c8f65fa6e0ec7ca23eb752999c4ec84d13cb06774d96f

Aliases

arxiv: 1312.4171 · arxiv_version: 1312.4171v2 · doi: 10.48550/arxiv.1312.4171 · pith_short_12: S5K2AD7RGOVR · pith_short_16: S5K2AD7RGOVR7NMM · pith_short_8: S5K2AD7R

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/S5K2AD7RGOVR7NMMR5S7U3QOY7 \
  | 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: 9755a00ff133ab1fb58c8f65fa6e0ec7ca23eb752999c4ec84d13cb06774d96f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01e327e737b2d557a6d30543af28afca334352d1a1e13a2a49b8696792b8d50c",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-12-15T17:22:04Z",
    "title_canon_sha256": "94d9c93537da2e0a87face53ff978f3bbba414d5ce9a4e75a13dc97e8a3f9b5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4171",
    "kind": "arxiv",
    "version": 2
  }
}