Pith Number

pith:U647AGGT

pith:2001:U647AGGTZLX5TFQVBGCFI7FLR2

not attested not anchored not stored refs pending

Motivic E_{infinity} algebras and the motivic dga

Roy Joshua

arxiv:math/0112275 v2 · 2001-12-25 · 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{U647AGGTZLX5TFQVBGCFI7FLR2}

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	2026-05-18T02:47:13.476285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7b9f018d3caefd996150984547cab8e9da9c216a09846527f7051760c29ce99

Aliases

arxiv: math/0112275 · arxiv_version: math/0112275v2 · doi: 10.48550/arxiv.math/0112275 · pith_short_12: U647AGGTZLX5 · pith_short_16: U647AGGTZLX5TFQV · pith_short_8: U647AGGT

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/U647AGGTZLX5TFQVBGCFI7FLR2 \
  | 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: a7b9f018d3caefd996150984547cab8e9da9c216a09846527f7051760c29ce99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b707c3a1956eebdb31adfe16a9d10956ca4354fd66224c86ab817cb60ddbe5e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2001-12-25T17:21:42Z",
    "title_canon_sha256": "a8f3a5a1b73a1833846bda33c0ace03145769fd1b77e161d881c6623d9b78fe2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0112275",
    "kind": "arxiv",
    "version": 2
  }
}