Pith Number

pith:DQU7LEMR

pith:2016:DQU7LEMROPEFDWX5HMREDE7CWJ

not attested not anchored not stored refs pending

Tool support for reasoning in display calculi

Alessandra Palmigiano, Alexander Kurz, Giuseppe Greco, Sabine Frittella, Samuel Balco

arxiv:1601.01113 v1 · 2016-01-06 · 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{DQU7LEMROPEFDWX5HMREDE7CWJ}

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	2026-05-18T01:23:17.895013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c29f5919173c851dafd3b224193e2b2769ed30665d9820f393ee89478b854a3

Aliases

arxiv: 1601.01113 · arxiv_version: 1601.01113v1 · doi: 10.48550/arxiv.1601.01113 · pith_short_12: DQU7LEMROPEF · pith_short_16: DQU7LEMROPEFDWX5 · pith_short_8: DQU7LEMR

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/DQU7LEMROPEFDWX5HMREDE7CWJ \
  | 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: 1c29f5919173c851dafd3b224193e2b2769ed30665d9820f393ee89478b854a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6601aab80c843d257a137d38a50c087a56a3e58b6e96df1d1937efeae930cca1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-01-06T09:22:02Z",
    "title_canon_sha256": "1decc3d69e166a19afa2965b7ec573bd084bb165096dda5f4cc0251482be42d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01113",
    "kind": "arxiv",
    "version": 1
  }
}