Pith Number

pith:PNK4AYZJ

pith:2015:PNK4AYZJOIWBG754OKLCQLOICR

not attested not anchored not stored refs pending

New complete 2-arcs in the uniform projective Hjelmslev planes over chain rings of order 25

Matthias Koch, Michael Kiermaier

arxiv:1503.02941 v1 · 2015-03-10 · 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{PNK4AYZJOIWBG754OKLCQLOICR}

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	2026-05-18T02:25:12.690388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b55c06329722c137fbc7296282dc81478589e832c7ac26770ed5a56464cc2d8

Aliases

arxiv: 1503.02941 · arxiv_version: 1503.02941v1 · doi: 10.48550/arxiv.1503.02941 · pith_short_12: PNK4AYZJOIWB · pith_short_16: PNK4AYZJOIWBG754 · pith_short_8: PNK4AYZJ

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/PNK4AYZJOIWBG754OKLCQLOICR \
  | 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: 7b55c06329722c137fbc7296282dc81478589e832c7ac26770ed5a56464cc2d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02eee6073e50c0149db3cfb3efc5cab7390796b17c0505b7e701dafbbdab0650",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-03-10T14:58:13Z",
    "title_canon_sha256": "ba90b21e0d02669cd836d9018e824ea59a707633551bd4139ad7e9930865c982"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02941",
    "kind": "arxiv",
    "version": 1
  }
}