Pith Number

pith:UVZMBZF2

pith:2017:UVZMBZF2OBEF2JEBQYDY7SMQUG

not attested not anchored not stored refs pending

Residual $q$-Fano Planes and Related Structures

Niv Hooker, Tuvi Etzion

arxiv:1704.07714 v2 · 2017-04-25 · 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{UVZMBZF2OBEF2JEBQYDY7SMQUG}

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	2026-05-18T00:30:11.538563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a572c0e4ba70485d248186078fc990a19be7ddef8a5a5f6738d34570434d782f

Aliases

arxiv: 1704.07714 · arxiv_version: 1704.07714v2 · doi: 10.48550/arxiv.1704.07714 · pith_short_12: UVZMBZF2OBEF · pith_short_16: UVZMBZF2OBEF2JEB · pith_short_8: UVZMBZF2

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/UVZMBZF2OBEF2JEBQYDY7SMQUG \
  | 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: a572c0e4ba70485d248186078fc990a19be7ddef8a5a5f6738d34570434d782f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91dc800aa3b254845cb56fbe1541ec8f0d05a308f302d4f52a57d68e12410d7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-04-25T14:31:50Z",
    "title_canon_sha256": "d155dd405a1bea1100559f6436fa5d280f388a296afa252286cc8c854aaf8870"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07714",
    "kind": "arxiv",
    "version": 2
  }
}