Pith Number

pith:SXBS4F7G

pith:2011:SXBS4F7GBRYIVXXNDA3S66SC57

not attested not anchored not stored refs pending

Quasi-random oriented graphs

Simon Griffiths

arxiv:1101.5421 v2 · 2011-01-28 · 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{SXBS4F7GBRYIVXXNDA3S66SC57}

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	2026-05-18T04:15:47.944618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95c32e17e60c708adeed18372f7a42efe86ccae9cedd52fac1583654ce9f8dc1

Aliases

arxiv: 1101.5421 · arxiv_version: 1101.5421v2 · doi: 10.48550/arxiv.1101.5421 · pith_short_12: SXBS4F7GBRYI · pith_short_16: SXBS4F7GBRYIVXXN · pith_short_8: SXBS4F7G

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/SXBS4F7GBRYIVXXNDA3S66SC57 \
  | 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: 95c32e17e60c708adeed18372f7a42efe86ccae9cedd52fac1583654ce9f8dc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cda608d1cf2115e1681834be822ff2350b9e18849e00c8fe00737320cd1efbd3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-01-28T00:49:20Z",
    "title_canon_sha256": "928fd921217cde7626641c3dee0331cb0fb80601d8dcb3c7da355fc1d152f090"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5421",
    "kind": "arxiv",
    "version": 2
  }
}