Pith Number

pith:LFFM52IB

pith:2019:LFFM52IBCOLHI3O5A65FS5NP2E

not attested not anchored not stored refs pending

A Note on a Unitary Analog to Redheffer's Matrix

Olivier Bordell\`es

arxiv:1905.11183 v2 · 2019-05-27 · math.NT

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	2026-05-17T23:44:53.532776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

594acee9011396746ddd07ba5975afd11bddf191415708c8590e6f329c7124d9

Aliases

arxiv: 1905.11183 · arxiv_version: 1905.11183v2 · doi: 10.48550/arxiv.1905.11183 · pith_short_12: LFFM52IBCOLH · pith_short_16: LFFM52IBCOLHI3O5 · pith_short_8: LFFM52IB

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/LFFM52IBCOLHI3O5A65FS5NP2E \
  | 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: 594acee9011396746ddd07ba5975afd11bddf191415708c8590e6f329c7124d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5e3c72e8afeba95d14ceb2b0a8acbf0ec90ea4c39cbc05b28bdb3988cdac466",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2019-05-27T13:07:41Z",
    "title_canon_sha256": "1eb825b5c647a5f49841f708624040f18741d8389bdfed7260e58d2a683d8be5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.11183",
    "kind": "arxiv",
    "version": 2
  }
}