Pith Number

pith:JUDZ2WWA

pith:2014:JUDZ2WWACVEEERIPTATT2SMBVL

not attested not anchored not stored refs pending

On MPS construction of blocking sets in projective spaces: a generalization

Simone Costa

arxiv:1405.1554 v1 · 2014-05-07 · 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{JUDZ2WWACVEEERIPTATT2SMBVL}

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	2026-05-18T02:52:24.513828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d079d5ac0154842450f98273d4981aaeef5b7961985e46e2cf48ab77605ef2b

Aliases

arxiv: 1405.1554 · arxiv_version: 1405.1554v1 · doi: 10.48550/arxiv.1405.1554 · pith_short_12: JUDZ2WWACVEE · pith_short_16: JUDZ2WWACVEEERIP · pith_short_8: JUDZ2WWA

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/JUDZ2WWACVEEERIPTATT2SMBVL \
  | 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: 4d079d5ac0154842450f98273d4981aaeef5b7961985e46e2cf48ab77605ef2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3cb3b83f8a510dd712bf16396ab4cd3f6c367cad084199360b4596b3e5b6e17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-05-07T10:04:40Z",
    "title_canon_sha256": "bc034d7eb080a64440b4133b88d88b3596ccd6067abd5f81492369e0c9907543"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.1554",
    "kind": "arxiv",
    "version": 1
  }
}