Pith Number

pith:64KZDQCM

pith:2019:64KZDQCMPMZVWD5APM6PSY4CJA

not attested not anchored not stored refs pending

On distributive join-semilattices

Francesc Esteva, Llu\'is Godo, Rodolfo C. Ertola-Biraben

arxiv:1902.01656 v1 · 2019-02-05 · 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{64KZDQCMPMZVWD5APM6PSY4CJA}

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	2026-05-17T23:54:47.046529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f71591c04c7b335b0fa07b3cf963824807c61ee48c12eb6a54f78b83317aecc0

Aliases

arxiv: 1902.01656 · arxiv_version: 1902.01656v1 · doi: 10.48550/arxiv.1902.01656 · pith_short_12: 64KZDQCMPMZV · pith_short_16: 64KZDQCMPMZVWD5A · pith_short_8: 64KZDQCM

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/64KZDQCMPMZVWD5APM6PSY4CJA \
  | 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: f71591c04c7b335b0fa07b3cf963824807c61ee48c12eb6a54f78b83317aecc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d112fe08254fddfab120ccded621eb75297eba93a4b93c4de29b295cf170a15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-02-05T12:20:05Z",
    "title_canon_sha256": "f610cf06b6d2c0eb20cb0562a4666f9610b41e0d7f6dce2e3dc5e650550aebc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01656",
    "kind": "arxiv",
    "version": 1
  }
}