Pith Number

pith:6S4SAHAB

pith:2013:6S4SAHABJFLNNWFZMEV66PQZGN

not attested not anchored not stored refs pending

Expressing Second-order Sentences in Intuitionistic Dependence Logic

Fan Yang

arxiv:1302.2279 v1 · 2013-02-09 · math.LO · 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{6S4SAHABJFLNNWFZMEV66PQZGN}

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	2026-05-17T23:58:06.082100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4b9201c014956d6d8b9612bef3e193368e9ad47df000ea35b54a60c7f7d4f97

Aliases

arxiv: 1302.2279 · arxiv_version: 1302.2279v1 · doi: 10.48550/arxiv.1302.2279 · pith_short_12: 6S4SAHABJFLN · pith_short_16: 6S4SAHABJFLNNWFZ · pith_short_8: 6S4SAHAB

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/6S4SAHABJFLNNWFZMEV66PQZGN \
  | 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: f4b9201c014956d6d8b9612bef3e193368e9ad47df000ea35b54a60c7f7d4f97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09d79d31406ef79f75b5c5aabf7dcb2b39c406f91ad5073643ac9295c0df01f4",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-02-09T23:10:38Z",
    "title_canon_sha256": "120e14226065619f1cebdf68e0f0d430fb1a76fcfd86088cf542dfa7a1f40c13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2279",
    "kind": "arxiv",
    "version": 1
  }
}