Pith Number

pith:F7KJXI67

pith:2017:F7KJXI67RU43VRNVQMKTBXAAIR

not attested not anchored not stored refs pending

Rooted Tree Maps

Tatsushi Tanaka

arxiv:1712.01029 v1 · 2017-12-04 · math.NT · 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{F7KJXI67RU43VRNVQMKTBXAAIR}

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	2026-05-18T00:28:59.688272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fd49ba3df8d39bac5b5831530dc004443e7bdb71ea943d4bf645f0dc5655c55

Aliases

arxiv: 1712.01029 · arxiv_version: 1712.01029v1 · doi: 10.48550/arxiv.1712.01029 · pith_short_12: F7KJXI67RU43 · pith_short_16: F7KJXI67RU43VRNV · pith_short_8: F7KJXI67

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/F7KJXI67RU43VRNVQMKTBXAAIR \
  | 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: 2fd49ba3df8d39bac5b5831530dc004443e7bdb71ea943d4bf645f0dc5655c55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc04cee5a9d1ea9ab80f6bb66abd787680536d2bbcd1c1c0d82feff16c5767c3",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-12-04T12:05:35Z",
    "title_canon_sha256": "174a48b6a15e90f25917c15a7d8bc0dbce69d2f26672e40b2e0378b58528842a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.01029",
    "kind": "arxiv",
    "version": 1
  }
}