Pith Number

pith:4MPALRIW

pith:2015:4MPALRIWK3AJIN55K3KMEWEMZE

not attested not anchored not stored refs pending

A classification of transitive links and periodic links

Dongseok Kim

arxiv:1504.02013 v1 · 2015-04-07 · math.GT · 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	2026-05-18T02:19:17.474434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e31e05c51656c09437bd56d4c2588cc93b2103283838a1feb815e706be758339

Aliases

arxiv: 1504.02013 · arxiv_version: 1504.02013v1 · doi: 10.48550/arxiv.1504.02013 · pith_short_12: 4MPALRIWK3AJ · pith_short_16: 4MPALRIWK3AJIN55 · pith_short_8: 4MPALRIW

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/4MPALRIWK3AJIN55K3KMEWEMZE \
  | 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: e31e05c51656c09437bd56d4c2588cc93b2103283838a1feb815e706be758339

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1033b53ecd13b634ff831dc97f1e2bdcb7aac28a8c86a7dae14c964542554d8",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2015-04-07T08:39:45Z",
    "title_canon_sha256": "c1b335111fd639e5e8f100a8d49c37bd218de85bcc2d018fdb3406bec9a996fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02013",
    "kind": "arxiv",
    "version": 1
  }
}