Pith Number

pith:DT34PISY

pith:2014:DT34PISYD6ZL3UTMMWX2FCHBEG

not attested not anchored not stored refs pending

Automorphisms of strongly regular graphs

E. Kamischke, S. De Winter, Z. Wang

arxiv:1411.3429 v1 · 2014-11-13 · 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{DT34PISYD6ZL3UTMMWX2FCHBEG}

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	2026-05-18T02:37:43.798931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cf7c7a2581fb2bdd26c65afa288e121b3a5ad6d3371d90bf0e0bdfd3cb881b1

Aliases

arxiv: 1411.3429 · arxiv_version: 1411.3429v1 · doi: 10.48550/arxiv.1411.3429 · pith_short_12: DT34PISYD6ZL · pith_short_16: DT34PISYD6ZL3UTM · pith_short_8: DT34PISY

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/DT34PISYD6ZL3UTMMWX2FCHBEG \
  | 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: 1cf7c7a2581fb2bdd26c65afa288e121b3a5ad6d3371d90bf0e0bdfd3cb881b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4ab48ed06c7d61ecfe6b98a6920dc6f8d1ae2aa72356ab6483591a96c2b2cbf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-11-13T02:53:40Z",
    "title_canon_sha256": "2dfc6439b43289a3f8943633084bd8eee6166a2e93a8eec2ce307192f6be8203"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.3429",
    "kind": "arxiv",
    "version": 1
  }
}