Pith Number

pith:CJSBZHIB

pith:2015:CJSBZHIBTFSMVAHCR6XHDZTW5B

not attested not anchored not stored refs pending

Hydras: Directed Hypergraphs and Horn Formulas

Despina Stasi, Gyorgy Turan, Robert H. Sloan

arxiv:1504.07753 v1 · 2015-04-29 · cs.DM · cs.LO · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CJSBZHIBTFSMVAHCR6XHDZTW5B}

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	2026-05-18T02:17:32.343807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12641c9d019964ca80e28fae71e676e8439f5141b7347663490a6ebaa89734ca

Aliases

arxiv: 1504.07753 · arxiv_version: 1504.07753v1 · doi: 10.48550/arxiv.1504.07753 · pith_short_12: CJSBZHIBTFSM · pith_short_16: CJSBZHIBTFSMVAHC · pith_short_8: CJSBZHIB

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/CJSBZHIBTFSMVAHCR6XHDZTW5B \
  | 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: 12641c9d019964ca80e28fae71e676e8439f5141b7347663490a6ebaa89734ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95dd8fbb542079baf5447e1ad442f5e46676af69ade9a57514d5bc703b957a80",
    "cross_cats_sorted": [
      "cs.LO",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-04-29T08:08:39Z",
    "title_canon_sha256": "563b4694c3a98635b5f7e1cef5013732cc65480a5716a54a4cdd9b0f5a58bb8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07753",
    "kind": "arxiv",
    "version": 1
  }
}