pith. sign in
Pith Number

pith:B2GP7TPD

pith:2014:B2GP7TPDTSANI3SPF3QBU7BGHP
not attested not anchored not stored refs pending

Reducts of the Generic Digraph

Lovkush Agarwal

arxiv:1411.4820 v1 · 2014-11-18 · math.LO · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{B2GP7TPDTSANI3SPF3QBU7BGHP}

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 2026-05-18T02:34:51.170016Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0e8cffcde39c80d46e4f2ee01a7c263bf99696286a626278f982ab9574c6a643

Aliases

arxiv: 1411.4820 · arxiv_version: 1411.4820v1 · doi: 10.48550/arxiv.1411.4820 · pith_short_12: B2GP7TPDTSAN · pith_short_16: B2GP7TPDTSANI3SP · pith_short_8: B2GP7TPD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/B2GP7TPDTSANI3SPF3QBU7BGHP \
  | 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: 0e8cffcde39c80d46e4f2ee01a7c263bf99696286a626278f982ab9574c6a643
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "96ba9f2e969e851122b70b6ed931c7872e39b622a3e9c13a42eda7ece5012e2b",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-11-18T12:11:17Z",
    "title_canon_sha256": "6855c4e3f40f90a526606b586a48b78ca14701e5f46a013586df7b2f5ba7e2ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4820",
    "kind": "arxiv",
    "version": 1
  }
}