Pith Number

pith:O2EEGGYE

pith:2018:O2EEGGYE5YGSPVICL4G5H7KJWZ

not attested not anchored not stored refs pending

Predicate Specialization for Definitional Higher-order Logic Programs

Angelos Charalambidis, Antonis Troumpoukis

arxiv:1808.04176 v2 · 2018-08-13 · cs.PL · cs.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{O2EEGGYE5YGSPVICL4G5H7KJWZ}

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	2026-05-17T23:59:22.426725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7688431b04ee0d27d5025f0dd3fd49b67ef3a822b43909468550c357be0347b3

Aliases

arxiv: 1808.04176 · arxiv_version: 1808.04176v2 · doi: 10.48550/arxiv.1808.04176 · pith_short_12: O2EEGGYE5YGS · pith_short_16: O2EEGGYE5YGSPVIC · pith_short_8: O2EEGGYE

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/O2EEGGYE5YGSPVICL4G5H7KJWZ \
  | 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: 7688431b04ee0d27d5025f0dd3fd49b67ef3a822b43909468550c357be0347b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eae5a3219b414cf885c44cd784e0b28c2d3fa5c00c12059b692c43f31c918551",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2018-08-13T12:38:48Z",
    "title_canon_sha256": "e18645d602ba3ce90c2626872dd3f6de64d134b1033c3714e17ac7282ccd8830"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04176",
    "kind": "arxiv",
    "version": 2
  }
}