Pith Number

pith:HG7QOCMU

pith:2016:HG7QOCMUFA34QIOOLBKIC5E7Z4

not attested not anchored not stored refs pending

Derived A-infinity algebras and their homotopies

Daniela Egas Santander, Joana Cirici, Muriel Livernet, Sarah Whitehouse

arxiv:1609.08077 v2 · 2016-09-26 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HG7QOCMUFA34QIOOLBKIC5E7Z4}

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	2026-05-18T00:41:58.234449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39bf0709942837c821ce585481749fcf06efd37579d9bbb450882771b7f8655c

Aliases

arxiv: 1609.08077 · arxiv_version: 1609.08077v2 · doi: 10.48550/arxiv.1609.08077 · pith_short_12: HG7QOCMUFA34 · pith_short_16: HG7QOCMUFA34QIOO · pith_short_8: HG7QOCMU

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/HG7QOCMUFA34QIOOLBKIC5E7Z4 \
  | 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: 39bf0709942837c821ce585481749fcf06efd37579d9bbb450882771b7f8655c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "899abe5cddf59a06393c36d5e8a1cca94616c35a7bbf3d6cc7cdbc639303a414",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2016-09-26T17:06:07Z",
    "title_canon_sha256": "0c412bfa290fc069c47e5a8357e64fd24c8c3d6ee35dccbbc7ed286b9a107482"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.08077",
    "kind": "arxiv",
    "version": 2
  }
}