Pith Number

pith:EWW73NJD

pith:2015:EWW73NJDGG7CIMUPQFUVHNB536

not attested not anchored not stored refs pending

A Note on Flagg and Friedman's Epistemic and Intuitionistic Formal Systems

Alessandro Provetti, Andrea Zucchellini

arxiv:1511.07319 v1 · 2015-11-13 · 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{EWW73NJDGG7CIMUPQFUVHNB536}

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	2026-05-18T01:26:11.680149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25adfdb52331be24328f816953b43ddf894b997315ff97984eb1a31e10747d00

Aliases

arxiv: 1511.07319 · arxiv_version: 1511.07319v1 · doi: 10.48550/arxiv.1511.07319 · pith_short_12: EWW73NJDGG7C · pith_short_16: EWW73NJDGG7CIMUP · pith_short_8: EWW73NJD

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/EWW73NJDGG7CIMUPQFUVHNB536 \
  | 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: 25adfdb52331be24328f816953b43ddf894b997315ff97984eb1a31e10747d00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21e688d298486d240c7e74aea7c1b37089693ec206eae91b5def26a211f7afde",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-11-13T20:38:50Z",
    "title_canon_sha256": "56218c56924c967e7c013f107c03a73aba36359373edc7854fdd4cef8a7ff901"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.07319",
    "kind": "arxiv",
    "version": 1
  }
}