Pith Number

pith:6YU7WOO5

pith:2019:6YU7WOO5EYNFMXVD725TWDC5BA

not attested not anchored not stored refs pending

More on tree properties

Byunghan Kim, Enrique Casanovas

arxiv:1902.08911 v3 · 2019-02-24 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6YU7WOO5EYNFMXVD725TWDC5BA}

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	2026-05-17T23:41:30.599951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f629fb39dd261a565ea3febb3b0c5d080026063e46861dfa1c194def2ce0d719

Aliases

arxiv: 1902.08911 · arxiv_version: 1902.08911v3 · doi: 10.48550/arxiv.1902.08911 · pith_short_12: 6YU7WOO5EYNF · pith_short_16: 6YU7WOO5EYNFMXVD · pith_short_8: 6YU7WOO5

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/6YU7WOO5EYNFMXVD725TWDC5BA \
  | 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: f629fb39dd261a565ea3febb3b0c5d080026063e46861dfa1c194def2ce0d719

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f0f833c118048547608c5880c1462ebad75e7498113be6ccad1ddde5f2d505e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-02-24T09:31:19Z",
    "title_canon_sha256": "0676ab09a63f41abe5d3dc6ba42abad5670db4a84b57f4c2795683d991a66eec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08911",
    "kind": "arxiv",
    "version": 3
  }
}