Pith Number

pith:VXDRPCBE

pith:2019:VXDRPCBEHSQ3FKAQNLO2DUQFZ4

not attested not anchored not stored refs pending

Symmetric designs and four dimensional projective special unitary groups

Asharf Daneshkhah, Mohsen Bayat, Seyed Hassan Alavi, Sheyda Zang Zarin

arxiv:1901.06683 v1 · 2019-01-20 · 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{VXDRPCBEHSQ3FKAQNLO2DUQFZ4}

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	2026-05-17T23:55:49.461266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adc71788243ca1b2a8106adda1d205cf195354920d0f1cb0cfb95995bc24e080

Aliases

arxiv: 1901.06683 · arxiv_version: 1901.06683v1 · doi: 10.48550/arxiv.1901.06683 · pith_short_12: VXDRPCBEHSQ3 · pith_short_16: VXDRPCBEHSQ3FKAQ · pith_short_8: VXDRPCBE

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/VXDRPCBEHSQ3FKAQNLO2DUQFZ4 \
  | 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: adc71788243ca1b2a8106adda1d205cf195354920d0f1cb0cfb95995bc24e080

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f399fb1a79bcfbb85e6c5bce0314ae2557d21509a1f533a7f7e1473ad9c618fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-01-20T14:52:04Z",
    "title_canon_sha256": "aa5178473e37fb6dce8f12112d4097c8960682ee9f3b9424c2ad76589032dae5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06683",
    "kind": "arxiv",
    "version": 1
  }
}