Pith Number

pith:IOCRZFTK

pith:2015:IOCRZFTKVMJCU6YILLMRQ77PIK

not attested not anchored not stored refs pending

On the Structure of the $q$-Fano Plane

Tuvi Etzion

arxiv:1508.01839 v2 · 2015-08-07 · 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{IOCRZFTKVMJCU6YILLMRQ77PIK}

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	2026-05-18T01:34:56.813901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43851c966aab122a7b085ad9187fef428769997bcbd0cfe252fb3f5e766af0a2

Aliases

arxiv: 1508.01839 · arxiv_version: 1508.01839v2 · doi: 10.48550/arxiv.1508.01839 · pith_short_12: IOCRZFTKVMJC · pith_short_16: IOCRZFTKVMJCU6YI · pith_short_8: IOCRZFTK

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/IOCRZFTKVMJCU6YILLMRQ77PIK \
  | 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: 43851c966aab122a7b085ad9187fef428769997bcbd0cfe252fb3f5e766af0a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac54fba9f95e3d6ff2f7478829b3f377d873ff4a1ca9049a2d113d0e81df4258",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-08-07T23:49:59Z",
    "title_canon_sha256": "fa6877595e0cf433a6ccd811e96b4b9fd3465968b2fd6c999a03521cfabe387c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01839",
    "kind": "arxiv",
    "version": 2
  }
}