Pith Number

pith:65PHEHEJ

pith:2016:65PHEHEJAVFDJ2OOOOUFOACQXN

not attested not anchored not stored refs pending

Homotopy L-infinity spaces and Kuranishi manifolds, I: categorical structures

Junwu Tu

arxiv:1602.00150 v1 · 2016-01-30 · math.DG · math.AG · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{65PHEHEJAVFDJ2OOOOUFOACQXN}

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	2026-05-18T01:21:36.187514Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f75e721c89054a34e9ce73a8570050bb7d9a0634109336517b2da8d0c27f87ef

Aliases

arxiv: 1602.00150 · arxiv_version: 1602.00150v1 · doi: 10.48550/arxiv.1602.00150 · pith_short_12: 65PHEHEJAVFD · pith_short_16: 65PHEHEJAVFDJ2OO · pith_short_8: 65PHEHEJ

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/65PHEHEJAVFDJ2OOOOUFOACQXN \
  | 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: f75e721c89054a34e9ce73a8570050bb7d9a0634109336517b2da8d0c27f87ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76f0fc0d270761df1f138ee47157263f2f00cb53e5a4148e8f512d11de7ef530",
    "cross_cats_sorted": [
      "math.AG",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-01-30T18:59:04Z",
    "title_canon_sha256": "cdf21f9c70435f3811fd9b0d326d7256bcbb175e8a86fbb0fceecd8e9ad868a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.00150",
    "kind": "arxiv",
    "version": 1
  }
}