Pith Number

pith:QHKCBLFE

pith:2016:QHKCBLFE33Q5GH5FAPDDKSQ3WU

not attested not anchored not stored refs pending

Categories: How I Learned to Stop Worrying and Love Two Sorts

Alessandra Palmigiano, Apostolos Tzimoulis, Michele Piazzai, Nachoem M. Wijnberg, Sabine Frittella, Willem Conradie

arxiv:1604.00777 v3 · 2016-04-04 · 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{QHKCBLFE33Q5GH5FAPDDKSQ3WU}

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	2026-05-17T23:57:03.537932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81d420aca4dee1d31fa503c6354a1bb5385a2c2457a1472bf087fd21c28b2052

Aliases

arxiv: 1604.00777 · arxiv_version: 1604.00777v3 · doi: 10.48550/arxiv.1604.00777 · pith_short_12: QHKCBLFE33Q5 · pith_short_16: QHKCBLFE33Q5GH5F · pith_short_8: QHKCBLFE

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/QHKCBLFE33Q5GH5FAPDDKSQ3WU \
  | 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: 81d420aca4dee1d31fa503c6354a1bb5385a2c2457a1472bf087fd21c28b2052

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49cc408b8c292a4a9a8fd08ffab027494697d4550a0117b6efdf99724cff2c99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2016-04-04T09:04:47Z",
    "title_canon_sha256": "3e2b4116429e572a4f8f1bfddfc004a903ca5fdf25793acdfb57044495354670"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.00777",
    "kind": "arxiv",
    "version": 3
  }
}