Pith Number

pith:CD4JN54Y

pith:2019:CD4JN54YP7WGRFAIFLDGHADIDV

not attested not anchored not stored refs pending

Intrinsic linking and knotting in tournaments

Joel Foisy, Thomas Fleming

arxiv:1901.03451 v1 · 2019-01-11 · math.GT · 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{CD4JN54YP7WGRFAIFLDGHADIDV}

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	2026-05-17T23:56:31.207948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10f896f7987fec6894082ac66380681d4a2dac3998f4c201846098da69e31649

Aliases

arxiv: 1901.03451 · arxiv_version: 1901.03451v1 · doi: 10.48550/arxiv.1901.03451 · pith_short_12: CD4JN54YP7WG · pith_short_16: CD4JN54YP7WGRFAI · pith_short_8: CD4JN54Y

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/CD4JN54YP7WGRFAIFLDGHADIDV \
  | 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: 10f896f7987fec6894082ac66380681d4a2dac3998f4c201846098da69e31649

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a895d463aa296b1f0200a9d0b0f45b659de143358510abef65f1c7a588caa54e",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2019-01-11T01:58:46Z",
    "title_canon_sha256": "4ff5e4f8ba056b9aada613aa4fb051d42cba2b372dc6c2ea594a6d63e1e4d228"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03451",
    "kind": "arxiv",
    "version": 1
  }
}