Pith Number

pith:2SFCBST6

pith:2019:2SFCBST6NRUJBOV3G3HUXIBL76

not attested not anchored not stored refs pending

Block-avoiding point sequencings of directed triple systems

Donald L. Kreher, Douglas R. Stinson, Shannon Veitch

arxiv:1907.11186 v1 · 2019-07-25 · 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{2SFCBST6NRUJBOV3G3HUXIBL76}

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	2026-05-17T23:39:33.017917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d48a20ca7e6c6890babb36cf4ba02bffa85f07dd6443c8fc505761d3e77c6073

Aliases

arxiv: 1907.11186 · arxiv_version: 1907.11186v1 · doi: 10.48550/arxiv.1907.11186 · pith_short_12: 2SFCBST6NRUJ · pith_short_16: 2SFCBST6NRUJBOV3 · pith_short_8: 2SFCBST6

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/2SFCBST6NRUJBOV3G3HUXIBL76 \
  | 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: d48a20ca7e6c6890babb36cf4ba02bffa85f07dd6443c8fc505761d3e77c6073

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30b37bb1a645e037bba417b05bd11daa28445c74e0fa769b9d7487d0679eb7ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-07-25T16:46:48Z",
    "title_canon_sha256": "f805c77b36e075f4f951d288ca8a4a34ddca25eb7b2eb6cfc6a8144a47e7f481"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.11186",
    "kind": "arxiv",
    "version": 1
  }
}