Pith Number

pith:6U6C4PIY

pith:2018:6U6C4PIY4G273XYN6KNYTK42JE

not attested not anchored not stored refs pending

Algebraic Cogroups and Nori-Motives

Javier Fres\'an, Peter Jossen

arxiv:1805.03906 v1 · 2018-05-10 · 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{6U6C4PIY4G273XYN6KNYTK42JE}

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	2026-05-18T00:16:16.392783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f53c2e3d18e1b5fddf0df29b89ab9a49005970f140f3163bd48e7a8ac49107fa

Aliases

arxiv: 1805.03906 · arxiv_version: 1805.03906v1 · doi: 10.48550/arxiv.1805.03906 · pith_short_12: 6U6C4PIY4G27 · pith_short_16: 6U6C4PIY4G273XYN · pith_short_8: 6U6C4PIY

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/6U6C4PIY4G273XYN6KNYTK42JE \
  | 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: f53c2e3d18e1b5fddf0df29b89ab9a49005970f140f3163bd48e7a8ac49107fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a56012f6ddeaf53eac1832a76f7fccc52ed94e5e89a24497c96b3ef776ddd921",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-05-10T09:38:31Z",
    "title_canon_sha256": "80750f9a4be7c93b4245227aa3daadce28e9ea5458831cf93a924bf0c4c26e97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03906",
    "kind": "arxiv",
    "version": 1
  }
}