Pith Number

pith:OQT3ZQG2

pith:2017:OQT3ZQG2P7HMBL2FYMHALHXGYX

not attested not anchored not stored refs pending

Existence of Some Signed Magic Arrays

Abdollah Khodkar, Christian Schulz, Nathan Wagner

arxiv:1701.01649 v1 · 2017-01-06 · 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{OQT3ZQG2P7HMBL2FYMHALHXGYX}

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	2026-05-18T00:53:16.311064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7427bcc0da7fcec0af45c30e059ee6c5ead5550eb0adbe0e7fbb4bb77d09c394

Aliases

arxiv: 1701.01649 · arxiv_version: 1701.01649v1 · doi: 10.48550/arxiv.1701.01649 · pith_short_12: OQT3ZQG2P7HM · pith_short_16: OQT3ZQG2P7HMBL2F · pith_short_8: OQT3ZQG2

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/OQT3ZQG2P7HMBL2FYMHALHXGYX \
  | 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: 7427bcc0da7fcec0af45c30e059ee6c5ead5550eb0adbe0e7fbb4bb77d09c394

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdd7809769035a9ad091b63cf2fdca7fd46111ab3595b973425acfd1dc1421e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-01-06T14:47:52Z",
    "title_canon_sha256": "f8ce769a9c2bea5cf11c62693ae1c2b2b10f5865d13269193f29602d863b3028"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01649",
    "kind": "arxiv",
    "version": 1
  }
}