Pith Number

pith:WHGDFP3Y

pith:2014:WHGDFP3YVEOYGDTWKFAJ2BDYKR

not attested not anchored not stored refs pending

Valuations in G\"{o}del Logic, and the Euler Characteristic

Ottavio M. D'Antona, Pietro Codara, Vincenzo Marra

arxiv:1401.5254 v1 · 2014-01-21 · cs.LO · cs.DM · 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{WHGDFP3YVEOYGDTWKFAJ2BDYKR}

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	2026-05-18T03:01:34.381150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1cc32bf78a91d830e7651409d0478546f577547e6f536ab639bba07be7430b3

Aliases

arxiv: 1401.5254 · arxiv_version: 1401.5254v1 · doi: 10.48550/arxiv.1401.5254 · pith_short_12: WHGDFP3YVEOY · pith_short_16: WHGDFP3YVEOYGDTW · pith_short_8: WHGDFP3Y

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/WHGDFP3YVEOYGDTWKFAJ2BDYKR \
  | 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: b1cc32bf78a91d830e7651409d0478546f577547e6f536ab639bba07be7430b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1de4a01ca533a9ea892ed4dd0cd18d02cebc79fa499ee9ed29165bafe091e75b",
    "cross_cats_sorted": [
      "cs.DM",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-01-21T10:27:26Z",
    "title_canon_sha256": "2c8c82d44f0758fe09e2b7c9fd736380fdc16f3630c110720a72966013ef41e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5254",
    "kind": "arxiv",
    "version": 1
  }
}