Pith Number

pith:RIXOGUT5

pith:2013:RIXOGUT5CKA32ZPTLMAQAPKB6V

not attested not anchored not stored refs pending

An Algorithm for constructing Hjelmslev planes

Asha Rao, Joanne L. Hall

arxiv:1302.4502 v2 · 2013-02-19 · 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{RIXOGUT5CKA32ZPTLMAQAPKB6V}

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	2026-05-18T01:27:55.041133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a2ee3527d1281bd65f35b01003d41f559ff33f465c355967a130f80762bed4c

Aliases

arxiv: 1302.4502 · arxiv_version: 1302.4502v2 · doi: 10.48550/arxiv.1302.4502 · pith_short_12: RIXOGUT5CKA3 · pith_short_16: RIXOGUT5CKA32ZPT · pith_short_8: RIXOGUT5

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/RIXOGUT5CKA32ZPTLMAQAPKB6V \
  | 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: 8a2ee3527d1281bd65f35b01003d41f559ff33f465c355967a130f80762bed4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3373a3eb8646b1a56e01c4f4a45564747328717a9556f8f4f9a40abba7ef00c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-02-19T01:59:32Z",
    "title_canon_sha256": "2cce5633f4d809b6fb3e7cb517dd4e8fb93fe799927f993a495a4726ea970ebd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4502",
    "kind": "arxiv",
    "version": 2
  }
}