Pith Number

pith:2X2RBHTR

pith:2026:2X2RBHTRNEPSJKHJ26TDHCVBIA

not attested not anchored not stored refs pending

Inception Display Calculi

Alessandra Palmigiano, Andrea De Domenico, Giuseppe Greco

arxiv:2605.17175 v1 · 2026-05-16 · 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{2X2RBHTRNEPSJKHJ26TDHCVBIA}

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	2026-05-20T00:03:43.421434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5f5109e71691f24a8e9d7a6338aa1403946f7e6a6e85b374331820759175606

Aliases

arxiv: 2605.17175 · arxiv_version: 2605.17175v1 · doi: 10.48550/arxiv.2605.17175 · pith_short_12: 2X2RBHTRNEPS · pith_short_16: 2X2RBHTRNEPSJKHJ · pith_short_8: 2X2RBHTR

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/2X2RBHTRNEPSJKHJ26TDHCVBIA \
  | 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: d5f5109e71691f24a8e9d7a6338aa1403946f7e6a6e85b374331820759175606

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fb1ae696c42d9835b7c2432a750bc25950c8ec604c0c38c60854b5ffe340a54",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2026-05-16T22:22:28Z",
    "title_canon_sha256": "a71d6100b47d9a873da782b964b605dbe303d7601101d7bd8a2a6239baae203e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17175",
    "kind": "arxiv",
    "version": 1
  }
}