Pith Number

pith:PLGCCA2K

pith:2016:PLGCCA2KXGCOXMR7Q6RNLUQDGG

not attested not anchored not stored refs pending

Avoiding patterns in matrices via a small number of changes

Maria Axenovich, Ryan R. Martin

arxiv:1605.06577 v2 · 2016-05-21 · math.CO

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T01:13:46.743552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7acc21034ab984ebb23f87a2d5d20331a3f9231a882ecbef0fd40e9daae9cacd

Aliases

arxiv: 1605.06577 · arxiv_version: 1605.06577v2 · doi: 10.48550/arxiv.1605.06577 · pith_short_12: PLGCCA2KXGCO · pith_short_16: PLGCCA2KXGCOXMR7 · pith_short_8: PLGCCA2K

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/PLGCCA2KXGCOXMR7Q6RNLUQDGG \
  | 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: 7acc21034ab984ebb23f87a2d5d20331a3f9231a882ecbef0fd40e9daae9cacd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c76e54f0eb79b6fa9985a4b8efcb05ef24ef07b08547054d9a19836ca2abb4f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-05-21T02:50:35Z",
    "title_canon_sha256": "2d1bcfcc7ef403336b4db297a83121cb7140080bcfc264e51da19e36bffd95f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.06577",
    "kind": "arxiv",
    "version": 2
  }
}