Pith Number

pith:MQUFKJ6D

pith:2018:MQUFKJ6D5OZ7DSMODEWMB3BH7I

not attested not anchored not stored refs pending

Homotopy G-algebra structure on the cochain complex of hom-type algebras

Apurba Das

arxiv:1808.01464 v3 · 2018-08-04 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MQUFKJ6D5OZ7DSMODEWMB3BH7I}

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	2026-05-18T00:01:19.337299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64285527c3ebb3f1c98e192cc0ec27fa1fcb931fa9559152901f4b83488e0d5c

Aliases

arxiv: 1808.01464 · arxiv_version: 1808.01464v3 · doi: 10.48550/arxiv.1808.01464 · pith_short_12: MQUFKJ6D5OZ7 · pith_short_16: MQUFKJ6D5OZ7DSMO · pith_short_8: MQUFKJ6D

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/MQUFKJ6D5OZ7DSMODEWMB3BH7I \
  | 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: 64285527c3ebb3f1c98e192cc0ec27fa1fcb931fa9559152901f4b83488e0d5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80f013a9f7983b6d79c6225c786937d2f282312e0c2fc7040ea2f4ba2f1e5cd2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-08-04T10:39:13Z",
    "title_canon_sha256": "c689cd01d7e344b29b78f4e986297d9d5c541604f39460af5d5dcf4309b3ec53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01464",
    "kind": "arxiv",
    "version": 3
  }
}