Pith Number

pith:WDAGUEOT

pith:2017:WDAGUEOTGAIXK7ZCL5KWOAI63L

not attested not anchored not stored refs pending

On the structure of the Wadge degrees of BQO-valued Borel functions

Antonio Montalb\'an, Takayuki Kihara

arxiv:1705.07802 v1 · 2017-05-22 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WDAGUEOTGAIXK7ZCL5KWOAI63L}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:44:04.523912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0c06a11d33011757f225f5567011edafd1dcad4ba9a6dbd72914e213240609c

Aliases

arxiv: 1705.07802 · arxiv_version: 1705.07802v1 · doi: 10.48550/arxiv.1705.07802 · pith_short_12: WDAGUEOTGAIX · pith_short_16: WDAGUEOTGAIXK7ZC · pith_short_8: WDAGUEOT

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/WDAGUEOTGAIXK7ZCL5KWOAI63L \
  | 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: b0c06a11d33011757f225f5567011edafd1dcad4ba9a6dbd72914e213240609c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e532a90b220d44759d922577fbaf388e1d7dbd03cc6f2c8517217b9dd40210e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-05-22T15:18:31Z",
    "title_canon_sha256": "159b0f596cc3a96549fd45d67b105735e2f1655f5626103cc53619a43d9ccc76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07802",
    "kind": "arxiv",
    "version": 1
  }
}