Pith Number

pith:FBORV2J2

pith:2019:FBORV2J2VLXBTQWYK6HZR7NP44

not attested not anchored not stored refs pending

Varieties of positive modal algebras and structural completeness

T. Moraschini

arxiv:1908.01659 v1 · 2019-08-01 · 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{FBORV2J2VLXBTQWYK6HZR7NP44}

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	2026-07-04T23:51:32.501393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

285d1ae93aaaee19c2d8578f98fdafe7395a8607c0cb8afe9eca1dc0b0465e08

Aliases

arxiv: 1908.01659 · arxiv_version: 1908.01659v1 · doi: 10.48550/arxiv.1908.01659 · pith_short_12: FBORV2J2VLXB · pith_short_16: FBORV2J2VLXBTQWY · pith_short_8: FBORV2J2

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/FBORV2J2VLXBTQWYK6HZR7NP44 \
  | 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: 285d1ae93aaaee19c2d8578f98fdafe7395a8607c0cb8afe9eca1dc0b0465e08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acc4a0983a8823a61f2f77875dfb8570de1f0cfdc428666affb3e089a6184216",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-08-01T17:57:16Z",
    "title_canon_sha256": "1b30837384600beeb35b125567b3fe0d98818078b98d67cda20931db9287dcc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01659",
    "kind": "arxiv",
    "version": 1
  }
}