Pith Number

pith:55CJDF6P

pith:2015:55CJDF6PAQP2JRJ6WPDCQVCX4D

not attested not anchored not stored refs pending

A note on Erd\"os-Ko-Rado sets of generators in Hermitian polar spaces

Klaus Metsch

arxiv:1502.05259 v1 · 2015-02-18 · 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{55CJDF6PAQP2JRJ6WPDCQVCX4D}

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	2026-05-18T02:26:52.091729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef449197cf041fa4c53eb3c6285457e0da1a5c1f25a8998e35b9d714deed933a

Aliases

arxiv: 1502.05259 · arxiv_version: 1502.05259v1 · doi: 10.48550/arxiv.1502.05259 · pith_short_12: 55CJDF6PAQP2 · pith_short_16: 55CJDF6PAQP2JRJ6 · pith_short_8: 55CJDF6P

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/55CJDF6PAQP2JRJ6WPDCQVCX4D \
  | 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: ef449197cf041fa4c53eb3c6285457e0da1a5c1f25a8998e35b9d714deed933a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1e2788b4c14db48eed91f9512ac860269e84c5ca85a1e8a70688b7bd252ded2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-02-18T14:51:57Z",
    "title_canon_sha256": "414abcd3891e264c5b3d5065f17f018cb71baa897fb7fdef643aa8665ca34378"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05259",
    "kind": "arxiv",
    "version": 1
  }
}