Pith Number

pith:VOWX3RNQ

pith:2026:VOWX3RNQIEIVFE7DNGNDVMY5VW

not attested not anchored not stored refs pending

Intuitionism and computing with partial information

Andrea Sorbi, Hristo Ganchev, Mariya I. Soskova, Paul Shafer, Theodore A. Slaman

arxiv:2605.20841 v1 · 2026-05-20 · 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{VOWX3RNQIEIVFE7DNGNDVMY5VW}

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	2026-05-21T01:05:24.120872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abad7dc5b041115293e3699a3ab31dada6e176a3bbfa08493c085bfa3c979e96

Aliases

arxiv: 2605.20841 · arxiv_version: 2605.20841v1 · doi: 10.48550/arxiv.2605.20841 · pith_short_12: VOWX3RNQIEIV · pith_short_16: VOWX3RNQIEIVFE7D · pith_short_8: VOWX3RNQ

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/VOWX3RNQIEIVFE7DNGNDVMY5VW \
  | 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: abad7dc5b041115293e3699a3ab31dada6e176a3bbfa08493c085bfa3c979e96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b955b51146b4982082d8ef6331bb22c58318b47e5ffd1c96e4aefdff414d3892",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2026-05-20T07:29:46Z",
    "title_canon_sha256": "c8fda41b04d1ccfa7a7568ad855019c7541d4bccde16c2d56c74cb2199dccb85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20841",
    "kind": "arxiv",
    "version": 1
  }
}