Pith Number

pith:TJZIAT2A

pith:2015:TJZIAT2A6J7RJUT44S6JJAUJGS

not attested not anchored not stored refs pending

Double Covers of Symplectic Dual Polar Graphs

G. Eric Moorhouse, Jason Williford

arxiv:1504.01067 v2 · 2015-04-04 · 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{TJZIAT2A6J7RJUT44S6JJAUJGS}

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	2026-05-18T01:32:37.230027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a72804f40f27f14d27ce4bc948289348e6d8489c9aa8723466a6a4c546374d5

Aliases

arxiv: 1504.01067 · arxiv_version: 1504.01067v2 · doi: 10.48550/arxiv.1504.01067 · pith_short_12: TJZIAT2A6J7R · pith_short_16: TJZIAT2A6J7RJUT4 · pith_short_8: TJZIAT2A

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/TJZIAT2A6J7RJUT44S6JJAUJGS \
  | 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: 9a72804f40f27f14d27ce4bc948289348e6d8489c9aa8723466a6a4c546374d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5fca5d35a4eaab8336aaa7acae31f623dbc50c8acc82ff03733e90eb1ec5d12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-04-04T22:56:09Z",
    "title_canon_sha256": "964bddd08c12c31050163002733b7ffcd43456e0a6253486662038f05609abb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01067",
    "kind": "arxiv",
    "version": 2
  }
}