Pith Number

pith:QV5US3IQ

pith:2015:QV5US3IQBRAYN2HCV7DVFWKJM6

not attested not anchored not stored refs pending

The derived Maurer-Cartan locus

Ezra Getzler

arxiv:1508.03007 v2 · 2015-08-12 · 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{QV5US3IQBRAYN2HCV7DVFWKJM6}

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	2026-05-18T00:26:09.035201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

857b496d100c4186e8e2afc752d9496781119930ee30660be938bf72efdb41a3

Aliases

arxiv: 1508.03007 · arxiv_version: 1508.03007v2 · doi: 10.48550/arxiv.1508.03007 · pith_short_12: QV5US3IQBRAY · pith_short_16: QV5US3IQBRAYN2HC · pith_short_8: QV5US3IQ

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/QV5US3IQBRAYN2HCV7DVFWKJM6 \
  | 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: 857b496d100c4186e8e2afc752d9496781119930ee30660be938bf72efdb41a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9cb54a6b33eba879251e0b347561d6f708a35284f78473afd8e05361ce4c499",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-08-12T17:34:28Z",
    "title_canon_sha256": "f18d1eb59e618ebdf91d39aac970ba54561222fb310f1b6c8ba0edb3ab03490b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03007",
    "kind": "arxiv",
    "version": 2
  }
}